Merge ubsan into trunk.

[gcc.git] / gcc / c-family / ChangeLog

2013-08-30  Marek Polacek  <polacek@redhat.com>

        * c-ubsan.c: New file.
        * c-ubsan.h: New file.

2013-08-30  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-pretty-print.h (c_pretty_printer::declaration): Now a virtual
        member function.
        (c_pretty_printer::declaration_specifiers): Likewise.
        (c_pretty_printer::declarator): Likewise.
        (c_pretty_printer::abstract_declarator): Likewise.
        (c_pretty_printer::direct_abstract_declarator): Likewise.
        (c_pretty_printer::direct_declarator): Likewise.
        (c_pretty_printer::function_specifier): Likewise.
        (pp_declaration): Adjust.
        (pp_declaration_specifiers): Likewise.
        (pp_abstract_declarator): Likewise.
        (pp_direct_declarator): Likewise.
        (pp_function_specifier): Likewise.
        (pp_direct_abstract_declarator): Remove as unused.
        (pp_c_declaration): Remove.
        (pp_c_declaration_specifiers): Likewise.
        (pp_c_declarator): Likewise.
        (pp_c_direct_declarator): Likewise.
        (pp_c_function_specifier): Likewise.
        (pp_c_direct_abstract_declarator): Likewise.
        * c-pretty-print.c (c_pretty_printer::abstract_declarator): Rename
        from pp_c_abstract_declarator.  Adjust.
        (c_pretty_printer::direct_abstract_declarator):  Rename from
        pp_c_direct_abstract_declarator.  Adjust.
        (c_pretty_printer::function_specifier): Rename from
        pp_c_function_specifier.  Adjust.
        (c_pretty_printer::declaration_specifiers): Rename from
        pp_c_declaration_specifiers.  Adjust.
        (c_pretty_printer::direct_declarator): Rename from
        pp_c_direct_declarator.  Adjust.
        (c_pretty_printer::declarator): Rename from pp_c_declarator.  Adjust.
        (c_pretty_printer::declaration): Rename from pp_c_declaration.  Adjust.
        (c_pretty_printer::c_pretty_printer): Do not assign to
        declaration, declaration_specifiers, declarator,
        direct_declarator, direct_abstract_declarator, function_specifier.

2013-08-26  Gabriel Dos Reis  <gdre@integrable-solutions.net>

        * c-pretty-print.h (c_pretty_printer::unary_expression): Now a
        virtual member function.
        (c_pretty_printer::multiplicative_expression): Likewise.
        (c_pretty_printer::conditional_expression): Likewise.
        (c_pretty_printer::assignment_expression): Likewise.
        (c_pretty_printer::expression): Likewise.
        (pp_unary_expression): Adjust.
        (pp_multiplicative_expression): Likewise.
        (pp_assignment_expression): Likewise.
        (pp_conditional_expression): Likewise.
        (pp_expression): Likewise.
        * c-pretty-print.c (c_pretty_printer::unary_expression): Rename
        from pp_c_unary_expression.  Adjust.
        (c_pretty_printer::multiplicative_expression): Rename from
        pp_c_multiplicative_expression.  Adjust.
        (c_pretty_printer::conditional_expression): Rename from
        pp_c_conditional_expression.  Adjust.
        (c_pretty_printer::assignment_expression): Rename from
        pp_c_assignment_expression.  Adjust.
        (c_pretty_printer::expression): Rename from pp_c_expression.  Adjust.
        (c_pretty_printer::c_pretty_printer): Do not assign to
        unary_expression, multiplicative_expression,
        conditional_expression, expression.

2013-08-25  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-pretty-print.h (c_pretty_printer::postfix_expression): Now a
        virtual member function.
        (pp_postfix_expression): Adjust.
        (pp_c_postfix_expression): Remove.
        * c-pretty-print.c (c_pretty_printer::postfix_expression): Rename
        from pp_c_postfix_expression.  Adjust.
        (c_pretty_printer::c_pretty_printer): Do not assign to
        postfix_expression.

2013-08-25  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-pretty-print.h (c_pretty_printer::primary_expression): Now a
        virtua member function.
        (pp_primary_expression): Adjust.
        (pp_c_primary_expression): Remove.
        * c-pretty-print.c (c_pretty_printer::primary_expression): Rename
        from pp_c_primary_expression.  Adjust.
        (pp_c_initializer_list): Use pp_primary_expression.
        (c_pretty_printer::c_pretty_printer): Do not assign to
        primary_expression.

2013-08-25  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-pretty-print.h (c_pretty_printer::translate_string): Declare.
        * c-pretty-print.c (M_): Remove.
        (c_pretty_printer::translate_string): Define.
        (pp_c_type_specifier): Use it.
        (pp_c_primary_expression): Likewise.
        (pp_c_expression): Likewise.

2013-08-24  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-pretty-print.h (c_pretty_printer::id_expression): Now a
        virtual function.
        (pp_c_id_expression): Remove.
        (pp_id_expression): Adjust.
        * c-pretty-print.c (c_pretty_printer::id_expression): Rename from
        pp_c_id_expression.  Adjust.
        (pp_c_postfix_expression): Use pp_id_expression.
        (c_pretty_printer::c_pretty_printer): Do not assign to id_expression.

2013-08-24  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-pretty-print.h (c_pretty_printer::constant): Now a virtual
        member function.
        (pp_constant): Adjust.
        (pp_c_constant): Remove.
        * c-pretty-print.c (c_pretty_printer::constant): Rename from
        pp_c_constant.  Adjust.
        (pp_c_constant)
        (pp_c_primary_expression): Call pp_constant in lieu of pp_c_constant.
        (c_pretty_printer::c_pretty_printer): Remove assignment to constant.

2013-08-22  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-pretty-print.h (pp_c_pretty_printer_init): Remove.
        (c_pretty_printer::c_pretty_printer): Declare.
        * c-pretty-print.c (pretty_printer::c_pretty_printer): Rename from
        c_pretty_printer_init.  Adjust.
        (print_c_tree): Do not call c_pretty_printer_init.
        * c-ada-spec.c (dump_ads): Remove call to pp_construct.

2013-08-09  Arnaud Charlet  <charlet@adacore.com>

        * c-ada-spec.c (print_ada_declaration): Prevent accessing null asm name

2013-08-05  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/58080
        * c-common.c (pointer_int_sum): Add bool parameter.
        * c-common.h (pointer_int_sum): Adjust declaration.

2013-08-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-pretty-print.c (print_c_tree): Simplify.  Use non-static local
        c_pretty_printer variable.

2013-08-04  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-pretty-print.h (c_pretty_printer): Derive from pretty_printer.
        (pp_base): Remove.
        (pp_c_base): Likewise.  Adjust users.
        * c-pretty-print.c (pp_c_maybe_whitespace): Adjust.
        (pp_c_whitespace): Do not call pp_base.
        (pp_c_left_paren): Likewise.
        (pp_c_right_paren): Likewise.
        (pp_c_left_brace): Likewise.
        (pp_c_right_brace): Likewise.
        (pp_c_left_bracket): Likewise.
        (pp_c_right_bracket): Likewise.
        (pp_c_dot): Likewise.
        (pp_c_ampersand): Likewise.
        (pp_c_star): Likewise.
        (pp_c_arrow): Likewise.
        (pp_c_semicolon): Likewise.
        (pp_c_complement): Likewise.
        (pp_c_exclamation): Likewise.
        (pp_c_direct_declarator): Likewise.
        (pp_c_ws_string): Likewise.
        (pp_c_identifier): Likewise.
        (pp_c_statement): Likewise.
        (print_c_tree): Likewise.

2013-08-04  Ed Smith-Rowland  <3dw4rd@verizon.net>

        PR c++/58072
        * c-common.c (c_parse_error): Catch user-defined literal tokens and
        provide useful error strings.

2013-08-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-ada-spec.c (pp_ada_tree_identifier): Use specialized pretty
        printer functions instead of pp_string or operators and punctuators.
        (dump_generic_ada_node): Likewise.
        * c-pretty-print.c (pp_c_type_specifier): Likewise.
        (pp_c_relational_expression): Likewise.
        (pp_c_logical_or_expression): Likewise.

2013-08-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-ada-spec.c (print_ada_macros): Use specialized pretty printer
        functions instead of pp_character.
        (pp_ada_tree_identifier): Likewise.
        (dump_ada_double_name): Likewise.
        (dump_ada_function_declaration): Likewise.
        (dump_ada_array_domains): Likewise.
        (dump_template_types): Likewise.
        (dump_generic_ada_node): Likewise.
        (print_ada_declaration): Likewise.
        (print_ada_struct_decl): Likewise.
        * c-pretty-print.c (pp_c_integer_constant): Likewise.

2013-07-23  Tom Tromey  <tromey@redhat.com>

        * c-common.h (enum rid) <RID_GENERIC>: New constant.
        * c-common.c (c_common_reswords): Add _Generic.

2013-07-21   OndÅ\99ej Bílka  <neleai@seznam.cz>

        * c-common.c: Fix typos.
        * c-common.h: Likewise.

2013-07-13  Lubos Lunak  <l.lunak@suse.cz>

        PR c++/55203
        * c-common.c (c_common_attribute_table): Add warn_unused.
        (handle_warn_unused_attribute): New.

2013-07-10  Jakub Jelinek  <jakub@redhat.com>

        * c-ppoutput.c (scan_translation_unit): Call account_for_newlines
        for all CPP_TOKEN_FLD_STR tokens, not just CPP_COMMENT.

2013-07-10  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/57869
        * c.opt: Add Wconditionally-supported.

2013-07-08  Graham Stott  <graham.stott@btinternet.com>

        * c-family/array-notation-common.c (length_mismatch_in_expr_p): Delete
        unused variables l_length and l_node.

2013-07-04  Joern Rennecke <joern.rennecke@embecosm.com>

        PR c/57821
        * c-common.c (complete_array_type): Delay folding first index
        like other indices.  When folding, check for index overflow.

2013-06-27  Marc Glisse  <marc.glisse@inria.fr>

        PR c++/57509
        * c-common.h (c_build_vec_perm_expr): New complain argument.
        * c-common.c (c_build_vec_perm_expr): Likewise.
        Use save_expr also in C++.

2013-06-22  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-common.c (c_common_nodes_and_builtins): Use cxx11 in lieu of cxx0x.
        * c-cppbuiltin.c (c_cpp_builtins): Likewise.
        * c-opts.c (c_common_post_options): Likewise.

2013-06-21  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * array-notation-common.c (length_mismatch_in_expr): Changed the
        parameter type's from a dynamic array to a vec_tree.  Also removed
        the size parameters.
        * c-common.h (length_mismatch_in_expr_p): Fixed prototype's as per
        the change above.

2013-06-21  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * c-common.h (struct cilkplus_an_parts): New structure.
        (struct cilkplus_an_loop_parts): Likewise.
        (cilkplus_extract_an_triplets): New prototype.
        (fix_sec_implicit_args): Likewise.
        * array-notation-common.c (cilkplus_extract_an_triplets): New function.
        (fix_sec_implicit_args): Likewise.

2013-06-20  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * array-notation-common.c (find_inv_trees): Removed an unwanted
        typecasting.
        * c-common.h (struct inv_list::additional_tcodes): Changed type from
        enum rid to enum tree_code.

2013-06-11  Jan Hubicka  <jh@suse.cz>

        * c-common.c (handle_alias_ifunc_attribute): Do not set
        DECL_EXTERNAL for weakref variables.
        * c-pragma.c (handle_pragma_weak): Make sure aliases
        are not declared as external.

2013-06-07  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * array-notation-common.c (length_mismatch_in_expr_p): Moved this
        function from c/c-array-notation.c.
        (is_cilkplus_reduce_builtin): Likewise.
        (find_rank): Likewise.
        (extract_array_notation_exprs): Likewise.
        (replace_array_notations): Likewise.
        (find_inv_trees): Likewise.
        (replace_inv_trees): Likewise.
        (contains_array_notation_expr): Likewise.
        (find_correct_array_notation_type): Likewise.
        * c-common.h (struct inv_list): Moved this struct from the file
        c/c-array-notation.c and added a new field called additional tcodes.
        (length_mismatch_in_expr_p): New prototype.
        (is_cilkplus_reduce_builtin): Likewise.
        (find_rank): Likewise.
        (extract_array_notation_exprs): Likewise.
        (replace_array_notation): Likewise.
        (find_inv_trees): Likewise.
        (replace_inv_trees): Likewise.
        (find_correct_array_notation_type): Likewise.

2013-05-28  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * c-common.c (c_define_builtins): When cilkplus is enabled, the
        function array_notation_init_builtins is called.
        (c_common_init_ts): Added ARRAY_NOTATION_REF as typed.
        * c-common.def (ARRAY_NOTATION_REF): New tree.
        * c-common.h (build_array_notation_expr): New function declaration.
        (build_array_notation_ref): Likewise.
        (extract_sec_implicit_index_arg): New extern declaration.
        (is_sec_implicit_index_fn): Likewise.
        (ARRAY_NOTATION_CHECK): New define.
        (ARRAY_NOTATION_ARRAY): Likewise.
        (ARRAY_NOTATION_START): Likewise.
        (ARRAY_NOTATION_LENGTH): Likewise.
        (ARRAY_NOTATION_STRIDE): Likewise.
        * c-pretty-print.c (pp_c_postifix_expression): Added a new case for
        ARRAY_NOTATION_REF.
        (pp_c_expression): Likewise.
        * c.opt (flag_enable_cilkplus): New flag.
        * array-notation-common.c: New file.

2013-05-14  Jakub Jelinek  <jakub@redhat.com>

        PR c++/57274
        * c-common.c (verify_tree): Don't recurse into SIZEOF_EXPR.

2013-05-10  Marc Glisse  <marc.glisse@inria.fr>

        * c-common.c (vector_types_convertible_p): No TYPE_PRECISION for
        vectors.

2013-05-07  Han Shen  <shenhan@google.com>

        * c-cppbuiltin.c (c_cpp_builtins): Added "__SSP_STRONG__=3".

2013-04-29  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>

        * c-common.c (check_user_alignment): Emit error for negative values.

2013-04-24  Paolo Carlini  <paolo.carlini@oracle.com>

        * c-opts.c (set_std_cxx11): Use CLK_CXX1Y and CLK_GNUCXX1Y.

2013-04-24  Paolo Carlini  <paolo.carlini@oracle.com>

        * c-cppbuiltin.c (c_cpp_builtins): Do not define
        __GXX_EXPERIMENTAL_CXX1Y__.

2013-04-24  Paolo Carlini  <paolo.carlini@oracle.com>
            Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * c.opt ([Wpointer-arith]): Enabled by -Wpedantic, as documented.
        * c-common.c (pointer_int_sum): Change -Wpointer-arith pedwarns
        to simply use OPT_Wpointer_arith.
        (c_sizeof_or_alignof_type): Likewise.

2013-04-24  Paolo Carlini  <paolo.carlini@oracle.com>

        * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_EXPERIMENTAL_CXX1Y__.

2013-04-12  Jakub Jelinek  <jakub@redhat.com>

        * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
        gcc_cdiag_char_table, gcc_cxxdiag_char_table): Add %r and %R format
        specifiers.

2013-04-07  Steven Bosscher  <steven@gcc.gnu.org>

        * c-pragma.c (add_to_renaming_pragma_list): Fix leading comment.

2013-04-03  Paolo Carlini  <paolo.carlini@oracle.com>

        * c-common.c (pointer_int_sum): Remove dead code.

2013-03-09  Richard Sandiford  <rdsandiford@googlemail.com>

        PR middle-end/56524
        * c-common.c (handle_optimize_attribute): Don't call
        save_optabs_if_changed.

2013-03-05  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/56461
        * c-pch.c (pch_init): Free target_validity at the end.

2013-03-04  Jakub Jelinek  <jakub@redhat.com>

        * c-pretty-print.c (pp_c_pretty_printer_init): Clear pp->flags.

2013-02-28  Konstantin Serebryany  <konstantin.s.serebryany@gmail.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/56454
        * c-common.c (handle_no_sanitize_address_attribute): New function.
        (c_common_attribute_table): Add no_sanitize_address attribute.
        (handle_no_address_safety_analysis_attribute): Add
        no_sanitize_address attribute, not no_address_safety_analysis
        attribute.

2013-02-18  Aldy Hernandez  <aldyh@redhat.com>

        PR target/52555
        * c-common.c (handle_optimize_attribute): Call
        save_optabs_if_changed.

2013-02-18  Jakub Jelinek  <jakub@redhat.com>
            Steven Bosscher  <steven@gcc.gnu.org>

        PR pch/54117
        * c-opts.c (c_common_post_options): If debug info is enabled
        and non-dwarf*, refuse to load PCH files and when writing PCH
        file warn.

2013-02-05  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/56167
        * c-common.c (handle_error_attribute): Fix condition.

2013-01-30  Jakub Jelinek  <jakub@redhat.com>

        PR c++/55742
        * c-common.c (handle_target_attribute): Revert 2012-12-26 change.

2013-01-18  Jason Merrill  <jason@redhat.com>

        PR target/54908
        * c.opt (-fextern-tls-init): New.
        * c-opts.c (c_common_post_options): Handle it.

2013-01-09  Jakub Jelinek  <jakub@redhat.com>

        PR c/48418
        * c-common.c (c_fully_fold_internal): Warn for LSHIFT_EXPR and
        RSHIFT_EXPR, if orig_op1 isn't INTEGER_CST, op1 is INTEGER_CST
        and is either negative or bigger or equal to type precision
        of the first operand.

2012-12-03  Marek Polacek  <polacek@redhat.com>

        PR c/55570
        * c-common.c (check_user_alignment): Swap order of tests,
        check TREE_CODE first.

2012-11-29  Ed Smith-Rowland  <3dw4rd@verizon.net>

        PR c++/52654
        * c-common.h (overflow_type): New enum.
        (build_userdef_literal): Add overflow_type argument.
        (tree_userdef_literal): Add overflow_type.
        (USERDEF_LITERAL_OVERFLOW): New access macro.
        * c-common.c (build_userdef_literal): Add overflow_type
        argument.
        * c-lex.c (c_lex_with_flags): Add overflow_type to
        build_userdef_literal calls.
        (interpret_integer, interpret_float): Add overflow_type argument.

2012-11-28  Richard Biener  <rguenther@suse.de>

        PR c/35634
        * c-gimplify.c (c_gimplify_expr): Gimplify self-modify expressions
        here and use a type with proper overflow behavior for types that would
        need to be promoted for the arithmetic.

2012-11-23  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/55435
        * c-common.c (handle_no_address_safety_analysis_attribute): New
        function.
        (c_common_attribute_table): Add no_address_safety_analysis.

2012-11-16  Simon Baldwin  <simonb@google.com>

        * c.opt: Add f[no-]canonical-system-headers.
        * c-opts.c (c_common_handle_option): Handle
        OPT_fcanonical_system_headers.

2012-11-09  Ed Smith-Rowland  <3dw4rd@verizon.net>

        PR c++/54413
        * c-opts.c (c_common_handle_option): Set new flags.
        * c.opt: Describe new flags.

2012-11-09  Jason Merrill  <jason@redhat.com>

        * c.opt (Wabi-tag): New.

2012-11-09  Andi Kleen  <ak@linux.intel.com>

        PR 55139
        * c-common.c (get_atomic_generic_size): Mask with
        MEMMODEL_MASK

2012-11-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/53063
        * c.opt (Wformat): Make it Alias Wformat=1.
        (Wformat-contains-nul,Wformat-extra-args,Wformat-nonliteral,
        Wformat-security,Wformat-y2k,Wformat-zero-length): Use
        LangEnabledBy.
        (Wformat=): RejectNegative. Use LangEnabledBy.
        (Wnonnull): Use LangEnabledBy.
        * c-opts.c (c_common_handle_option): Do not handle Wformat here.
        * c-format.c (set_Wformat): Delete.
        (decode_format_attr): Replace OPT_Wformat with OPT_Wformat_.
        (maybe_read_dollar_number):  Likewise.
        (avoid_dollar_number):  Likewise.
        (finish_dollar_format_checking):  Likewise.
        (check_format_info):  Likewise.
        (check_format_info_main):  Likewise.
        (check_format_types):  Likewise.
        (format_type_warning):  Likewise.
        * c-common.c (int):  Likewise.
        (check_function_sentinel):  Likewise.
        * c-common.h (warn_format,set_Wformat): Do not declare here.

2012-11-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/53063
        * c.opt(Warray-bounds,Wdelete-non-virtual-dtor,Wenum-compare,
        Wmain,Woverlength-strings, Wunknown-pragmas,Wunused-macros):
        Use LangEnabledBy.
        (Wswitch,Wswitch-default,Wswitch-enum): Likewise. Move here from
        common.opt.
        (Wvariadic-macros): Init(1).
        * c-opts.c (c_common_handle_option): Do not handle them
        explicitly.
        (c_common_post_options): Likewise.
        (sanitize_cpp_opts): warn_unused_macros is now
        cpp_warn_unused_macros.
        (push_command_line_include): Likewise.
        * c-common.c (warn_unknown_pragmas): Do not define.
        * c-common.h (warn_unknown_pragmas): Do not declare.

2012-11-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/51294
        * c-common.c (conversion_warning): Handle conditional expressions.

2012-10-29  Jonathan Wakely  <jwakely.gcc@gmail.com>

        PR c++/54930
        * c.opt (Wreturn_local_addr): Define new option.

2012-10-25  Jason Merrill  <jason@redhat.com>

        * c.opt (Wvirtual-move-assign): New.

        * c.opt (Winherited-variadic-ctor): New.

2012-10-25  Marc Glisse  <marc.glisse@inria.fr>

        PR c++/54427
        * c-common.c (scalar_to_vector): Handle VEC_COND_EXPR.

2012-10-23  Joseph Myers  <joseph@codesourcery.com>

        * c-common.h (pch_cpp_save_state): Declare.
        * c-target.def (c_preinclude): New hook.
        * c-opts.c (done_preinclude): New.
        (push_command_line_include): Handle default preincluded header.
        (cb_file_change): Call pch_cpp_save_state when calling
        push_command_line_include.
        * c-pch.c (pch_ready_to_save_cpp_state, pch_cpp_state_saved)
        (pch_cpp_save_state): New.
        (pch_init): Call pch_cpp_save_state conditionally, instead of
        calling cpp_save_state.

2012-10-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/53063
        PR c/40989
        * c.opt (Waddress,Wchar-subscripts,Wsign-conversion,Wimplicit,
        Wimplicit-function-declaration,Wimplicit-int,Wsizeof-pointer-memaccess,
        Wnarrowing,Wparentheses,Wpointer-sign,Wreturn-type,Wsequence-point,
        Wsign-compare,Wuninitialized,Wmaybe-uninitialized,Wunused,
        Wvolatile-register-var): Add LangEnabledBy or EnabledBy.
        * c-opts.c (c_common_handle_option): Remove explicit handling from
        here.
        (c_common_post_options): Likewise.

2012-10-18  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (LOCATION_COL): Delete.
        (compare_location): New function.
        (compare_node): Use it.
        (compare_comment): Likewise.

2012-10-16  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/53063
        PR c/40989
        * c.opt (Wstrict-aliasing=,Wstrict-overflow=): Use LangEnabledBy.
        * c-opts.c (c_common_handle_option): Do not set them here. Add
        comment.
        (c_common_post_options): Likewise.

2012-10-16  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (ADA_HOST_WIDE_INT_PRINT_DOUBLE_HEX): Define.
        (dump_generic_ada_node) <INTEGER_CST>: Deal with sizetype specially.
        Remove POINTER_TYPE handling, add large unsigned handling and use
        ADA_HOST_WIDE_INT_PRINT_DOUBLE_HEX for big numbers.

2012-10-12  Jakub Jelinek  <jakub@redhat.com>

        PR c/54381
        * c-common.h (sizeof_pointer_memaccess_warning): Adjust prototype.
        * c-common.c (sizeof_pointer_memaccess_warning): Take array of 3
        locs and array of 3 trees instead of just single loc and single
        sizeof_arg tree.  Handle __builtin___*_chk builtins too, and
        also stpncpy, bcopy, bcmp, bzero, snprintf and vsnprintf builtins.
        For *cmp* builtins that take two sources strings report warnings
        about first and second source, not about destination and source.

2012-10-12  Marc Glisse  <marc.glisse@inria.fr>

        PR c++/53055
        * c-common.h (enum ref_operator) [RO_ARROW_STAR]: New.

2012-10-11  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (dump_ada_template): Bail out for template declarations
        declaring something coming from another file.

2012-10-10  Arnaud Charlet  <charlet@adacore.com>

        PR ada/54845
        * c-ada-spec.c (print_ada_struct_decl): Increase buf size.

2012-10-09  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/54194
        * c-common.c (warn_about_parentheses): Add location_t parameter;
        use EXPR_LOC_OR_LOC.
        * c-common.h: Update declaration.

2012-10-09  Marc Glisse  <marc.glisse@inria.fr>

        PR c++/54427
        * c-common.c (scalar_to_vector): Moved from c-typeck.c. Support
        more operations. Make error messages optional.
        * c-common.h (enum stv_conv): Moved from c-typeck.c.
        (scalar_to_vector): Declare.

2012-10-08  Jason Merrill  <jason@redhat.com>

        * c-common.c (c_common_reswords): Add thread_local.

2012-10-08  Dodji Seketeli  <dodji@redhat.com>

        PR c++/53528 C++11 attribute support
        * c-common.h (bitfield_p, cxx_fundamental_alignment_p): Declare
        new functions.
        * c-common.c (check_cxx_fundamental_alignment_constraints): New
        static function.
        (handle_aligned_attribute): In choose strictest alignment
        among many.  Use new check_cxx_fundamental_alignment_constraints.
        (handle_transparent_union_attribute): In c++11 attribute syntax,
        don't look through typedefs.

2012-10-04  Arnaud Charlet  <charlet@adacore.com>

        * c-ada-spec.c (print_ada_declaration): Remove handling of TDF_RAW.
        * c.opt (-fdump-ada-spec, -fdump-ada-spec-slim): Move switch definition
        out of dumpfile.h.

2012-09-25  Dehao Chen  <dehao@google.com>

        PR middle-end/54645
        * c-pch.c (c_common_read_pch): Rebuild the location_adhoc_data
        map when read in the pch.

2012-09-18 Arnaud Charlet  <charlet@adacore.com>

        * c-ada-spec.c: Style fixes.

2012-09-18 Thomas Quinot  <quinot@adacore.com>

        * c.opt (-fada-spec-parent): Define new command line switch.
        * c-ada-spec.c (get_ada_package): When -fada-spec-parent
        is specified, generate binding spec as a child of the specified unit.

2012-09-13  Paolo Carlini  <paolo.carlini@oracle.com>
            Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c++/53210
        * c.opt ([Winit-self]): Enabled by -Wall in C++.

2012-08-23  Arnaud Charlet  <charlet@adacore.com>

        * c-ada-spec.c (dump_generic_ada_node): Fix handling of name_only
        for pointers, and add missing Convention C pragma.
        (print_ada_struct_decl): Add missing aliased keyword.
        (dump_ads): Add pragma Ada_2005 and Style_Checks (Off).

2012-08-17  Jakub Jelinek  <jakub@redhat.com>

        * c-common.c (sizeof_pointer_memaccess_warning): New function.
        * c.opt (-Wsizeof-pointer-memaccess): Add new option.
        * c-opts.c (c_common_handle_option): Enable it for -Wall.
        * c-common.h (sizeof_pointer_memaccess_warning): Add prototype.
        * c-common.def (SIZEOF_EXPR): Moved here from cp-tree.def.

2012-08-10  Richard Guenther  <rguenther@suse.de>

        * c-pretty-print.c (pp_c_expression): Handle anonymous SSA names.

2012-08-07  Steven Bosscher  <steven@gcc.gnu.org>

        * c-pretty-print.c (pp_c_function_definition): Use pp_newline_and_flush
        instead of separate pp_newline and pp_flush.
        (print_c_tree): Likewise.

2012-07-26  Richard Henderson  <rth@redhat.com>

        * c-common.c (handle_hot_attribute): Allow labels.
        (handle_cold_attribute): Likewise.

2012-07-20  Jakub Jelinek  <jakub@redhat.com>

        PR c++/28656
        * c-common.c (check_function_nonnull): Handle multiple nonnull
        attributes properly.

2012-07-16  Steven Bosscher  <steven@gcc.gnu.org>

        * c-gimplify.c: Include dumpfile.h instead of tree-dump.h.
        * c-ada-spec.c: Likewise.
        * c-dump.c (dump_stmt): Move to cp/dump.c, the only user.

2012-07-14  Steven Bosscher  <steven@gcc.gnu.org>

        * c-pch.c (CHECK_NO_ASM_OUT_DURING_PCH): Do not define.
        Remove code conditional on it.

2012-07-11  Steven Bosscher  <steven@gcc.gnu.org>

        * c-gimplify.c: Do not include basic-block.h.
        * c-common.c: Do not include linfuncs.h.

2012-07-08  Steven Bosscher  <steven@gcc.gnu.org>

        * c-common.h: Include tree.h.

2012-07-02  Jason Merrill  <jason@redhat.com>

        PR c++/53524
        * c-common.c (get_priority): Call default_conversion.

2012-07-01  Uros Bizjak  <ubizjak@gmail.com>

        * c-pch.c (c_common_write_pch): Remove unused variables.

2012-06-29  Steven Bosscher  <steven@gcc.gnu.org>

        * cppspec.c: Moved from gcc/ to here.

2012-06-27  Kai Tietz  <ktietz@redhat.com>

        PR preprocessor/37215
        * c-ppoutput.c (preprocess_file): Check for nonempty buffer.

2012-06-21  Steven Bosscher  <steven@gcc.gnu.org>

        * c-common.h (c_common_print_pch_checksum): Remove.
        * c-pch.c: Do not include output.h.
        (CHECK_NO_ASM_OUT_DURING_PCH): Define and add FIXME.
        (asm_out_file): Define iff CHECK_NO_ASM_OUT_DURING_PCH isdefined.
        (asm_file_startpos): Define iff CHECK_NO_ASM_OUT_DURING_PCH is defined.
        (struct c_pch_header): Remove.
        (get_ident): Update gpch version.
        (pch_init): Do not print executable_checksum to asm_out_file.
        Do not fail if there is no asm_out_file to read back from.  Set
        asm_file_startpos only if CHECK_NO_ASM_OUT_DURING_PCH is defined.
        (c_common_write_pch): Verify that nothing was written to asm_out_file
        since pch_init was called.  Do not write a c_pch_header, and do not
        copy from asm_out_file to the PCH.
        (c_common_read_pch): Do not read a c_pch_header, and do not restore
        the content of asm_out_file from the PCH.
        (c_common_print_pch_checksum): Remove.
        * c-opts.c (c_common_init): Print out executable_checksum directly.

2012-06-19  Steven Bosscher  <steven@gcc.gnu.org>

        * c-target.def (objc_declare_unresolved_class_reference,
        objc_declare_class_definition): Add new hooks.

2012-06-19  Steven Bosscher  <steven@gcc.gnu.org>

        * c-lex.c: Do not include output.h.
        (cb_ident): Try to put out .ident with targetm.asm_out.output_ident.
        Remove uses of ASM_OUTPUT_IDENT.

2012-06-15  Marc Glisse  <marc.glisse@inria.fr>

        PR c++/51033
        * c-common.h (c_build_vec_perm_expr): Move decl here.
        * c-common.c (c_build_vec_perm_expr): Move definition
        here.

2012-06-06  Steven Bosscher  <steven@gcc.gnu.org>

        * c.opt (fconserve-space): Turn into a no-op.

2012-06-04  Sterling Augustine  <saugustine@google.com>

        * c-pretty-print.h (pp_c_flag_gnu_v3): New enumerator.
        * c-pretty-print.c (pp_c_specifier_qualifier_list): Check it at
        both the start and end of the function.

2012-06-04  Steven Bosscher  <steven@gcc.gnu.org>

        * c-common.c: Do not include output.h.
        * c-pragma.c: Likewise.

2012-06-04  Steven Bosscher  <steven@gcc.gnu.org>

        * error.c (dump_decl): Check pp_c_flag_gnu_v3.
        (decl_as_dwarf_string, lang_decl_dwarf_name): New functions.
        (lang_decl_name): Handle namespace decls.

2012-05-31  Steven Bosscher  <steven@gcc.gnu.org>

        * c-ada-spec.c: Do not include output.h.
        * c-semantics.c: Likewise.

2012-05-29  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c: Fix typo.

2012-05-29  Michael Matz  <matz@suse.de>

        * c-common.h (c_expand_decl): Remove prototype.

2012-05-29  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c.opt (Wmissing-braces): Use LangEnabledBy(C ObjC,Wall).
        * c-opts.c (c_common_handle_option): Remove code handling
        warn_missing_braces.

2012-05-28  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/25137
        * c-opts.c (c_common_handle_option): For C++ -Wall doesn't enable
        -Wmissing_braces.

2012-05-22  Dodji Seketeli  <dodji@redhat.com>

        PR c++/53322
        * c.opt (Wunused-local-typedefs): Use EnabledBy(Wunused).

2012-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c.opt (--pedantic-errors,-pedantic-errors): Do not handle here.
        * c-opts.c (c_common_handle_option): Do not handle explicitly
        Wreturn-type, Wwrite-strings, warn_ecpp, and -pedantic-errors.

2012-05-16  Dodji Seketeli  <dodji@redhat.com>

        PR preprocessor/7263
        * c-lex.c (c_lex_with_flags):  Pass a virtual location to the call
        to cpp_classify_number.  For diagnostics, use the precise location
        instead of the global input_location.

2012-05-15  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/11856
        * c-common.c (shorten_compare): Check c_inhibit_evaluation_warnings.

2012-05-14  Bernd Schmidt  <bernds@codesourcery.com>

        * c-common.c (DEF_ATTR_STRING): Define and undefine as necessary.

2012-05-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR 53063
        * c.opt (Wc++0X-compat,Wdelete-non-virtual-dtor,Wjump-misses-init,
        Wreorder): Use LangEnabledBy.
        * c-opts.c (c_common_handle_option): Do not enable them
        explicitly. Call lang-specific generated functions.
        (c_common_post_options): Do not set them here.

2012-05-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c.opt (Wclobbered,Wempty-body,Wignored-qualifiers,
        Wmissing-field-initializers,Wmissing-parameter-type,
        Wold-style-declaration,Woverride-init): Use EnabledBy.
        * c-opts.c (c_common_post_options): Do not set here explicitly.

2012-05-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR 53063
        * c-opts.c (c_common_handle_option): Use handle_generated_option
        to enable sub-options.

2012-05-10  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/53158
        * c-common.c (warnings_for_convert_and_check): Use warning_at.

2012-05-10  Richard Guenther  <rguenther@suse.de>

        * c-common.c (c_sizeof_or_alignof_type): Remove assert and
        adjust commentary about TYPE_IS_SIZETYPE types.

2012-05-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c++/53261
        * c-common.c (warn_logical_operator): Check that argument of
        integer_zerop is not NULL.

2012-05-05  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/43772
        * c-common.c (warn_logical_operator): Do not warn if either side
        is already true or false.

2012-05-04  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/51712
        * c-common.c (expr_original_type): New.
        (shorten_compare): Do not warn for enumeration types.

2012-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c.opt (fpermissive): Add Var(flag_permissive).

2012-04-30  Marc Glisse  <marc.glisse@inria.fr>

        PR c++/51033
        * c-common.c (convert_vector_to_pointer_for_subscript): New function.
        * c-common.h (convert_vector_to_pointer_for_subscript): Declare it.

2012-04-30  Dodji Seketeli  <dodji@redhat.com>

        Add -Wvarargs option
        * c.opt (Wvarargs):  Define new option.

2012-04-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c-common.c (check_function_arguments): Replace
        Wmissing-format-attribute with Wsuggest-attribute=format.

2012-04-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c.opt (Wsuggest-attribute=format): New. Alias of
        Wmissing-format-attribute.
        * c-format.c (decode_format_type): Replace
        Wmissing-format-attribute with Wsuggest-attribute=format.
        (check_function_format): Likewise.

2012-04-27  Ollie Wild  <aaw@google.com>

        * c-common.c: Add CPP_W_LITERAL_SUFFIX mapping.
        * c-opts.c (c_common_handle_option): Handle OPT_Wliteral_suffix.
        * c.opt: Add Wliteral-suffix.

2012-04-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/44774
        * c.opt (Wpedantic): New.
        (pedantic): Alias Wpedantic.
        * c-opts.c (c_common_handle_option): Replace -pedantic with -Wpedantic.
        (c_common_post_options): Likewise.
        (sanitize_cpp_opts): Likewise.
        * c-lex.c (interpret_float): Likewise.
        * c-format.c (check_format_types): Likewise.
        * c-common.c (pointer_int_sum): Likewise.
        (c_sizeof_or_alignof_type): Likewise.
        (c_add_case_label): Likewise.
        (c_do_switch_warnings): Likewise.
        * c-pragma.c (handle_pragma_float_const_decimal64): Likewise.

2012-04-15  Jason Merrill  <jason@redhat.com>

        PR c++/52818
        * c-format.c (CPLUSPLUS_STD_VER): C++11 inherits from C99.
        (C_STD_NAME): Distinguish between C++98 and C++11.

2012-04-11  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/52624
        * c-common.h (uint16_type_node): Rename into...
        (c_uint16_type_node): ...this.
        * c-common.c (c_common_nodes_and_builtins): Adjust for above renaming.
        * c-cppbuiltin.c (builtin_define_stdint_macros): Likewise.

2012-04-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c-common.c (warn_if_unused_value): Move definition to here.
        * c-common.h (warn_if_unused_value): Move declaration to here.

2012-03-23  William Bader  <williambader@hotmail.com>

        * c-lex.c (c_lex_with_flags): Avoid declarations after stmts.

2012-03-20  Jason Merrill  <jason@redhat.com>

        * c-common.h (enum cxx_dialect): Add cxx1y.
        * c-common.c (c_common_nodes_and_builtins): Use >= for cxx_dialect
        test.
        * c-cppbuiltin.c (c_cpp_builtins): Likewise.
        * c-opts.c (c_common_post_options): Likewise.
        (set_std_cxx1y): New.
        (c_common_handle_option): Call it.
        * c.opt (-std=c++1y, -std=gnu++1y): New flags.

2012-03-19  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/14710
        * c.opt ([Wuseless-cast]): Add.

2012-03-16  Richard Guenther  <rguenther@suse.de>

        * c-pretty-print.c (pp_c_initializer_list): Adjust.

2012-03-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c++/44783
        * c.opt (ftemplate-backtrace-limit) Add.

2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * c-cppbuiltin.c (c_cpp_builtins): Remove #pragma extern_prefix
        handling.
        * c-pragma.c (handle_pragma_extern_prefix): Remove.
        (init_pragma): Don't register extern_prefix.

2012-03-12  Richard Guenther  <rguenther@suse.de>

        * c-common.c (c_common_get_narrower): Use c_common_type_for_size.
        (builtin_type_for_size): Likewise.

2012-02-13  Jakub Jelinek  <jakub@redhat.com>

        PR c++/52215
        * c-common.c (sync_resolve_params): Don't decide whether to convert
        or not based on TYPE_SIZE comparison, convert whenever arg_type
        is unsigned INTEGER_TYPE.

2012-02-06  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c/52118
        * c.opt ([Wunused-local-typedefs]): Fix description.

2012-01-24  Mike Stump  <mikestump@comcast.net>

        * c-common.c (c_common_type_for_mode): Match signed/unsigned types
        exactly.

2012-01-18  Richard Guenther  <rguenther@suse.de>

        * c-opts.c (c_common_post_options): Reset LTO flags if
        we are about to generate a PCH.

2012-01-17  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/51777
        * c-pretty-print.c (pp_c_integer_constant): For unsigned constants
        use pp_unsigned_wide_integer.

2012-01-10  Richard Guenther  <rguenther@suse.de>

        PR middle-end/51806
        * c-opts.c (c_common_handle_option): Move -Werror handling
        to language independent code.

2012-01-05  Richard Guenther  <rguenther@suse.de>

        PR middle-end/51764
        * c.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move here
        from common.opt.

2011-12-30  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/51316
        * c-common.c (c_sizeof_or_alignof_type): In C++ allow for alignof
        of array types with an unknown bound.

2011-12-20  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (flag_isoc99): Update comment to refer to C11.
        (flag_isoc1x): Change to flag_isoc11.
        * c-common.h (flag_isoc99): Update comment to refer to C11.
        (flag_isoc1x): Change to flag_isoc11.
        * c-cppbuiltin.c (cpp_atomic_builtins): Change comment to refer to
        C11.
        * c-opts.c (set_std_c1x): Change to set_std_c11.
        (c_common_handle_option): Handle OPT_std_c11 and OPT_std_gnu11.
        Call set_std_c11.
        (set_std_c89, set_std_c99, set_std_c11): Use flag_isoc11.
        (set_std_c1): Use CLK_STDC11 and CLK_GNUC11.
        * c.opt (std=c1x): Change to std=c11.  Document as non-draft
        standard.
        (std=c1x, std=iso9899:2011): Add as aliases of std=c11.
        (std=gnu1x): Change to std=gnu11.  Refer to non-draft standard.
        (std=gnu1x): Make alias of std=gnu11.

2011-12-19  Jason Merrill  <jason@redhat.com>

        PR c++/51228
        * c-common.c (handle_transparent_union_attribute): Check the first
        field if the type is complete.

2011-12-15  Jonathan Wakely  <jwakely.gcc@gmail.com>

        PR libstdc++/51365
        * c-common.c (RID_IS_FINAL): Add.
        * c-common.h (RID_IS_FINAL): Add.

2011-11-30  Iain Sandoe  <iains@gcc.gnu.org>

        * c.opt (fgnu-runtime): Provide full description.
        (fnext-runtime): Likewise.
        * c-opts.c (OPT_fgnu_runtime, OPT_fnext_runtime) Remove.

2011-11-28  Andrew MacLeod  <amacleod@redhat.com>

        * c-cpp-builtin.c (cpp_atomic_builtins):New.  Emit all atomic
        predefines in one place.  Add LOCK_FREE predefines.
        (c_cpp_builtins): Move Legacy HAVE_SYNC predefines to
        new func.

2011-11-24  Andrew MacLeod  <amacleod@redhat.com>

        PR c/51256
        * c-common.c (get_atomic_generic_size): Check for various error
        conditions
        (resolve_overloaded_atomic_exchange,
        resolve_overloaded_atomic_compare_exchange,
        resolve_overloaded_atomic_load, resolve_overloaded_atomic_store): Return
        error_mark_node for error conditions.

2011-11-08  Richard Guenther  <rguenther@suse.de>

        PR middle-end/51010
        c-family/

2011-11-07  Richard Henderson  <rth@redhat.com>
            Aldy Hernandez  <aldyh@redhat.com>
            Torvald Riegel  <triegel@redhat.com>

        Merged from transactional-memory.

        * c-common.c (handle_tm_wrap_attribute,
        handle_tm_attribute, ignore_attribute, parse_tm_stmt_attr): New.
        (struct c_common_reswords): Added __transaction* keywords.
        (struct c_common_attribute_table): Added transaction* and tm_regparm
        attributes.
        * c-common.h: Added RID_TRANSACTION*. Added TM_ATTR* and TM_STMT*
        masks.
        (parse_tm_stmt_attr, tm_attr_to_mask, tm_mask_to_attr,
        find_tm_attribute): Declare.

2011-11-07  Jason Merrill  <jason@redhat.com>

        PR c++/35688
        * c-common.c, c-common.h: Revert yesterday's changes.

2011-11-06  Jason Merrill  <jason@redhat.com>

        PR c++/35688
        * c-common.c (decl_has_visibility_attr): Split out from...
        (c_determine_visibility): ...here.
        * c-common.h: Declare it.

2011-11-06  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (c_common_reswords): Add _Alignas and _Alignof.
        (c_sizeof_or_alignof_type): Diagnose alignof applied to a function
        type.
        (check_user_alignment): New.  Split out of
        handle_aligned_attribute.  Disallow integer constants with
        noninteger types.  Conditionally allow zero.
        (handle_aligned_attribute): Use check_user_alignment.
        * c-common.h (RID_ALIGNAS, check_user_alignment): New.

2011-11-06  Andrew MacLeod  <amacleod@redhat.com>
            Richard Henderson  <rth@redhat.com>

        Merged from cxx-mem-model.

        * c-cppbuiltin.c (c_cpp_builtins): Test both atomic and sync patterns.
        * c-common.c (sync_resolve_params, sync_resolve_return): Only tweak
        parameters that are the same type size.
        (get_atomic_generic_size): New.  Find size of generic
        atomic function parameters and do typechecking.
        (add_atomic_size_parameter): New.  Insert size into parameter list.
        (resolve_overloaded_atomic_exchange): Restructure __atomic_exchange to
        either __atomic_exchange_n or external library call.
        (resolve_overloaded_atomic_compare_exchange): Restructure
        __atomic_compare_exchange to either _n variant or external library call.
        (resolve_overloaded_atomic_load): Restructure __atomic_load to either
        __atomic_load_n or an external library call.
        (resolve_overloaded_atomic_store): Restructure __atomic_store to either
        __atomic_store_n or an external library call.
        (resolve_overloaded_builtin): Handle new __atomic builtins.

2011-11-04  Eric Botcazou  <ebotcazou@adacore.com>

        PR c++/50608
        * c-common.c (c_fully_fold_internal) <ADDR_EXPR>: Call fold_offsetof_1.
        (fold_offsetof_1): Make global.  Remove STOP_REF argument and adjust.
        <INDIRECT_REF>: Return the argument.
        <ARRAY_REF>: Remove special code for negative offset.
        Call fold_build_pointer_plus instead of size_binop.
        (fold_offsetof): Remove STOP_REF argument and adjust.
        * c-common.h (fold_offsetof_1): Declare.
        (fold_offsetof): Remove STOP_REF argument.

2011-11-02  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/50810
        * c-opts.c (c_common_handle_option): Enable -Wnarrowing as part
        of -Wall; include -Wnarrowing in -Wc++0x-compat; adjust default
        Wnarrowing for C++0x and C++98.
        * c.opt ([Wnarrowing]): Update.

2011-11-01  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/44277
        * c.opt: Add Wzero-as-null-pointer-constant.

2011-10-31  Jason Merrill  <jason@redhat.com>

        * c.opt (-fdeduce-init-list): Off by default.

        PR c++/50920
        * c-common.h (cxx_dialect): Add cxx11 and cxx03.
        * c.opt: Add -std=c++11, -std=gnu++11, -std=gnu++03,
        and -Wc++11-compat.
        * c-opts.c (set_std_cxx11): Rename from set_std_cxx0x.

2011-10-27  Roberto Agostino Vitillo  <ravitillo@lbl.gov>

        PR c++/30066
        * c.opt (fvisibility-inlines-hidden): Description change.

2011-10-26  Ed Smith-Rowland  <3dw4rd@verizon.net>

        Implement C++11 user-defined literals.
        * c-common.c (build_userdef_literal): New.
        * c-common.def: New tree code.
        * c-common.h (tree_userdef_literal): New tree struct and accessors.
        * c-lex.c (interpret_float): Add suffix parm.
        (c_lex_with_flags): Build literal tokens.

2011-10-23  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/50841
        Revert:
        2011-10-23  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/50810
        * c-opts.c (c_common_handle_option): Enable -Wnarrowing as part
        of -Wall; include -Wnarrowing in -Wc++0x-compat; adjust default
        Wnarrowing for C++0x and C++98.
        * c.opt ([Wnarrowing]): Update.

2011-10-23  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/50810
        * c-opts.c (c_common_handle_option): Enable -Wnarrowing as part
        of -Wall; include -Wnarrowing in -Wc++0x-compat; adjust default
        Wnarrowing for C++0x and C++98.
        * c.opt ([Wnarrowing]): Update.

2011-10-21  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/45385
        * c-common.c (conversion_warning): Remove code looking for
        artificial operands.

2011-10-18  Dodji Seketeli  <dodji@redhat.com>

        PR bootstrap/50760
        * c-lex.c (fe_file_change): Use LINEMAP_SYSP when
        !NO_IMPLICIT_EXTERN_C.

2011-10-17  Michael Spertus  <mike_spertus@symantec.com>

        * c-common.c (c_common_reswords): Add __bases,
        __direct_bases.
        * c-common.h: Add RID_BASES and RID_DIRECT_BASES.

2011-10-17  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/50757
        * c.opt ([Wnonnull]): Add C++ and Objective-C++.

2011-10-15  Tom Tromey  <tromey@redhat.com>
            Dodji Seketeli  <dodji@redhat.com>

        * c.opt (fdebug-cpp): New option.
        * c-opts.c (c_common_handle_option): Handle the option.
        * c-ppoutput.c (maybe_print_line_1): New static function. Takes an
        output stream in parameter. Factorized from ...
        (maybe_print_line): ... this. Dump location debug information when
        -fdebug-cpp is in effect.
        (print_line_1): New static function. Takes an output stream in
        parameter. Factorized from ...
        (print_line): ... here. Dump location information when -fdebug-cpp
        is in effect.
        (scan_translation_unit): Dump location information when
        -fdebug-cpp is in effect.

2011-10-15  Tom Tromey  <tromey@redhat.com>
            Dodji Seketeli  <dodji@redhat.com>

        * c.opt (ftrack-macro-expansion): New option. Handle it with and
        without argument.
        * c-opts.c (c_common_handle_option)<case
        OPT_ftrack_macro_expansion_, case OPT_ftrack_macro_expansion>: New
        cases. Handle -ftrack-macro-expansion with and without argument.

2011-10-15  Tom Tromey  <tromey@redhat.com>
            Dodji Seketeli  <dodji@redhat.com>

        * c-ppoutput.c (scan_translation_unit, maybe_print_line)
        (print_line, cb_define, do_line_change): Adjust to avoid touching
        the internals of struct line_map.  Use the public API instead.
        * c-pch.c (c_common_read_pch): Likewise.
        * c-lex.c (fe_file_change): Likewise.

2011-10-14  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/17212
        * c.opt ([Wformat-zero-length]): Add C++ and Objective-C++.

2011-10-11  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/33067
        * c-pretty-print.c (pp_c_floating_constant): Output
        max_digits10 (in the ISO C++ WG N1822 sense) decimal digits.

2011-10-11  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * c-common.c (def_builtin_1): Delete old interface with two
        parallel arrays to hold standard builtin declarations, and replace
        it with a function based interface that can support creating
        builtins on the fly in the future.  Change all uses, and poison
        the old names.  Make sure 0 is not a legitimate builtin index.
        * c-omp.c (c_finish_omp_barrier): Ditto.
        (c_finish_omp_taskwait): Ditto.
        (c_finish_omp_flush): Ditto.

2011-10-11  Tristan Gingold  <gingold@adacore.com>

        * c.opt: (fallow-parameterless-variadic-functions): New.

2011-09-08  Dodji Seketeli  <dodji@redhat.com>

        PR c++/33255 - Support -Wunused-local-typedefs warning
        * c-common.h (struct c_language_function::local_typedefs): New
        field.
        (record_locally_defined_typedef, maybe_record_typedef_use)
        (maybe_warn_unused_local_typedefs): Declare new functions.
        * c-common.c (record_locally_defined_typedef)
        (maybe_record_typedef_use)
        (maybe_warn_unused_local_typedefs): Define new functions.
        * c.opt: Declare new -Wunused-local-typedefs flag.

2011-09-06  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/50266
        * c-common.c (c_fully_fold_internal) <ADDR_EXPR>: Fold offsetof-like
        computations.

2011-09-05  Richard Guenther  <rguenther@suse.de>

        * c-common.c (complete_array_type): Use ssize_int (-1) instead
        of integer_minus_one_node for empty array upper bounds.

2011-08-28  Dodji Seketeli  <dodji@redhat.com>

        * c-pch.c (c_common_read_pch): Call linemap_add with LC_ENTER as
        it's the first time it's being called on this main TU.

2011-08-24  Richard Guenther  <rguenther@suse.de>

        PR c/49396
        * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): Fix conditional.

2011-08-22  Gabriel Charette  <gchare@google.com>

        * c-opts.c (c_finish_options): Force BUILTINS_LOCATION for tokens
        defined in cpp_init_builtins and c_cpp_builtins.

2011-08-19  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (c_common_reswords): Add __builtin_complex.
        * c-common.h (RID_BUILTIN_COMPLEX): New.

2011-08-18  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (c_common_reswords): Add _Noreturn.
        (keyword_is_function_specifier): Handle RID_NORETURN.
        * c-common.h (RID_NORETURN): New.

2011-08-10  Artjoms Sinkarovs <artyom.shinakroff@gmail.com>

        * c-common.c (unsafe_conversion_p): New function. Check if it is
        unsafe to convert an expression to the type.
        (conversion_warning): Adjust, use unsafe_conversion_p.
        * c-common.h (unsafe_conversion_p): New function declaration.

2011-08-02  Jakub Jelinek  <jakub@redhat.com>

        * c-common.h (c_finish_omp_atomic): Adjust prototype.
        (c_finish_omp_taskyield): New prototype.
        * c-omp.c (c_finish_omp_atomic): Add OPCODE, V, LHS1 and RHS1
        arguments. Handle OMP_ATOMIC_READ, OMP_ATOMIC_CAPTURE_OLD and
        OMP_ATOMIC_CAPTURE_NEW in addition to OMP_ATOMIC.  If LHS1
        or RHS1 have side-effects, evaluate those too in the right spot,
        if it is a decl and LHS is also a decl, error out if they
        aren't the same.
        (c_finish_omp_taskyield): New function.
        * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP to 201107.
        * c-pragma.c (omp_pragmas): Add taskyield.
        * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_TASKYIELD.
        (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_FINAL and
        PRAGMA_OMP_CLAUSE_MERGEABLE.

2011-07-25  Dodji Seketeli  <dodji@redhat.com>

        * c-common.h (set_underlying_type): Remove parm name from
        declaration.

2011-07-25  Romain Geissler  <romain.geissler@gmail.com>

        * c-pretty-print.h: Search c-common.h in c-family.

2011-07-22  Jason Merrill  <jason@redhat.com>

        PR c++/49793
        * c.opt (Wnarrowing): New.

        PR c++/30112
        * c-common.h: Declare c_linkage_bindings.
        * c-pragma.c (handle_pragma_redefine_extname): Use it.

        PR c++/49813
        * c-opts.c (set_std_cxx0x): Set flag_isoc94 and flag_isoc99.
        * c-pretty-print.c (pp_c_cv_qualifiers): Check c_dialect_cxx as well
        as flag_isoc99 for 'restrict'.
        (pp_c_specifier_qualifier_list): Likewise for _Complex.

2011-07-21  Ian Lance Taylor  <iant@google.com>

        PR middle-end/49705
        * c-common.c (c_disable_warnings): New static function.
        (c_enable_warnings): New static function.
        (c_fully_fold_internal): Change local unused_p to bool.  Call
        c_disable_warnings and c_enable_warnings rather than change
        c_inhibit_evaluation_warnings.

2011-07-20  Jason Merrill  <jason@redhat.com>

        PR c++/6709 (DR 743)
        PR c++/42603 (DR 950)
        * c-common.h (CPP_KEYWORD, CPP_TEMPLATE_ID): Move from cp/parser.h.
        (CPP_NESTED_NAME_SPECIFIER, N_CP_TTYPES): Likewise.
        (CPP_DECLTYPE): New.
        * c-common.c (c_parse_error): Handle CPP_DECLTYPE.

2011-07-19  Richard Guenther  <rguenther@suse.de>

        * c-common.c (pointer_int_sum): Use fold_build_pointer_plus.
        * c-omp.c (c_finish_omp_for): Likewise.

2011-07-12  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (dump_nested_types): Put semi-colon after empty loop
        body on the next line.

2011-07-08  Jason Merrill  <jason@redhat.com>

        PR c++/45437
        * c-omp.c (check_omp_for_incr_expr): Handle preevaluation.

        PR c++/49673
        * c-common.c (c_apply_type_quals_to_decl): Don't check
        TYPE_NEEDS_CONSTRUCTING.

2011-07-06  Richard Guenther  <rguenther@suse.de>

        * c-common.c (c_common_nodes_and_builtins):
        Merge calls to build_common_tree_nodes and build_common_tree_nodes_2.

2011-07-05  Richard Guenther  <rguenther@suse.de>

        * c-common.c (c_common_nodes_and_builtins): Build all common
        tree nodes first.

2011-06-27  Jakub Jelinek  <jakub@redhat.com>

        * c-common.h (c_tree_chain_next): New static inline function.

        * c-common.c (check_builtin_function_arguments): Handle
        BUILT_IN_ASSUME_ALIGNED.

2011-06-21  Andrew MacLeod  <amacleod@redhat.com>

        * c-common.c: Add sync_ or SYNC__ to builtin names.
        * c-omp.c: Add sync_ or SYNC__ to builtin names.

2011-06-20  Pierre Vittet  <piervit@pvittet.com>

        * c-pragma.h (pragma_handler_1arg, pragma_handler_2arg): New
        handler.
        (gen_pragma_handler): New union.
        (internal_pragma_handler): New type.
        (c_register_pragma_with_data)
        (c_register_pragma_with_expansion_and_data): New functions.

        * c-pragma.c (registered_pragmas, c_register_pragma_1)
        (c_register_pragma, c_register_pragma_with_expansion)
        (c_invoke_pragma_handler): Changed to work with
        internal_pragma_handler.
        (c_register_pragma_with_data)
        (c_register_pragma_with_expansion_and_data): New functions.

2011-06-14  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c: Include common/common-target.h.
        (handle_section_attribute): Use
        targetm_common.have_named_sections.
        * c-cppbuiltin.c: Include common/common-target.h.
        (c_cpp_builtins): Use targetm_common.except_unwind_info.

2011-06-10  Richard Guenther  <rguenther@suse.de>

        * c-pretty-print.c (pp_c_type_specifier): Use pp_c_identifier
        to print a IDENTIFIER_NODE.

2011-06-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
            Joseph Myers  <joseph@codesourcery.com>

        * c.opt (fbuilding-libgcc): New option.
        * c-cppbuiltin.c (c_cpp_builtins): Define
        __LIBGCC_TRAMPOLINE_SIZE__ if flag_building_libgcc.

2011-06-07  Jason Merrill  <jason@redhat.com>

        * c-common.c (max_tinst_depth): Lower default to 900.

        * c-format.c (gcc_cxxdiag_char_table): Add 'S' format.

2011-06-07  Richard Guenther  <rguenther@suse.de>

        * c-common.c (c_common_nodes_and_builtins): Do not set
        size_type_node or call set_sizetype.

2011-06-07  Dodji Seketeli  <dodji@redhat.com>

        PR debug/49130
        * c-pretty-print.c (pp_c_integer_constant): Consider the canonical
        type when using pointer comparison to compare types.

2011-06-02  Jonathan Wakely  <jwakely.gcc@gmail.com>

        * c.opt: Add -Wdelete-non-virtual-dtor.
        * c-opts.c (c_common_handle_option): Include it in -Wall.

2011-05-30  Nathan Froyd  <froydnj@gcc.gnu.org>

        PR bootstrap/49190

        Revert:
        2011-05-26  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.h (struct c_common_identifier): Inherit from tree_typed,
        not tree_common.

2011-05-27  Jakub Jelinek  <jakub@redhat.com>

        PR c++/49165
        * c-common.c (c_common_truthvalue_conversion) <case COND_EXPR>: For
        C++ don't call c_common_truthvalue_conversion on void type arms.

2011-05-27  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.h (struct stmt_tree_s) [x_cur_stmt_list]: Change to a VEC.
        (stmt_list_stack): Define.
        (cur_stmt_list): Adjust for new type of x_cur_stmt_list.
        * c-semantics.c (push_stmt_list, pop_stmt_list): Likewise.

2011-05-26  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.c (warning_candidate_p): Check for BLOCKs.

2011-05-26  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.h (struct c_common_identifier): Inherit from tree_typed,
        not tree_common.

2011-05-25  Jakub Jelinek  <jakub@redhat.com>

        * c-common.c (def_fn_type): Remove extra va_end.

2011-05-23  Jason Merrill  <jason@redhat.com>

        PR c++/48106
        * c-common.c (c_common_get_narrower): New.
        (shorten_binary_op, shorten_compare, warn_for_sign_compare): Use it.

2011-05-23  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.h (check_function_arguments): Tweak prototype of
        check_function_arguments.
        * c-common.c (check_function_arguments): Likewise.  Adjust
        calls to check_function_nonnull, check_function_format, and
        check_function_sentinel.
        (check_function_sentinel): Take a FUNCTION_TYPE rather than
        separate attributes and typelist arguments.  Use
        FOREACH_FUNCTION_ARGS to iterate over argument types.

2011-05-15  Paolo Carlini  <paolo.carlini@oracle.com>

        * c-common.c (c_common_reswords): Reorder.
        * c-common.h (rid): Likewise.

2011-05-10  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.c (def_fn_type): Don't call build_function_type, call
        build_function_type_array or build_varargs_function_type_array
        instead.
        (c_common_nodes_and_builtins): Likewise.

2011-05-05  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.c (c_add_case_label): Omit the loc argument to
        build_case_label.
        * c-common.h (build_case_label): Remove.
        * c-semantics.c (build_case_label): Remove.

2011-05-05  Joseph Myers  <joseph@codesourcery.com>

        * c-objc.h (objc_start_method_definition): Update prototype.
        * stub-objc.c (objc_start_method_definition): Add extra parameter.

2011-05-04  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.c (check_main_parameter_types): Reindent.  Don't use
        TYPE_ARG_TYPES directly.
        (handle_nonnull_attribute): Likewise.
        (sync_resolve_params): Likewise.
        * c-format.c (handle_format_arg_attribute): Likewise.  Adjust call
        to check_format_string.
        (handle_format_attribute): Likewise.
        (check_format_string): Take a function type to examine instead of
        a type list.  Use a function_arg_iterator to step through argument
        types.

2011-05-04  Richard Guenther  <rguenther@suse.de>

        * c-common.c (fix_string_type): Use size_int for index type bounds.
        (start_fname_decls): Do not pass NULL to build_int_cst.
        (c_init_attributes): Likewise.
        * c-lex.c (c_lex_with_flags): Likewise.

2011-04-27  Jason Merrill  <jason@redhat.com>

        * c-common.c (make_tree_vector_from_list): New.
        * c-common.h: Declare it.

2011-04-26  Richard Guenther  <rguenther@suse.de>

        PR preprocessor/48248
        * c-ppoutput.c (maybe_print_line): Always optimize newlines
        for output size with -P.

2011-04-25  Paolo Carlini  <paolo.carlini@oracle.com>

        * c-common.c (struct c_common_resword): Add __underlying_type.
        * c-common.h (enum rid): Add RID_UNDERLYING_TYPE.

2011-04-20  Jim Meyering  <meyering@redhat.com>

        * c-format.c (init_dollar_format_checking): Remove useless
        if-before-free.

2011-04-15  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-objc.h (objc_get_interface_ivars): Removed.
        (objc_detect_field_duplicates): New.
        * stub-objc.c: Likewise.

2011-04-14  Nicola Pero  <nicola.pero@meta-innovation.com>

        * stub-objc.c (objc_declare_protocols): Renamed to
        objc_declare_protocol.
        * c-objc.h: Likewise.

2011-04-14  Nicola Pero  <nicola.pero@meta-innovation.com>

        * stub-objc.c (objc_declare_class): Updated argument name.

2011-04-12  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.h (c_common_init_ts): Declare.
        * c-common.c (c_common_init_ts): Define.

2011-04-12  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-objc.h (objc_build_message_expr): Updated prototype.
        * stub-objc.c (objc_build_message_expr): Likewise.

2011-04-12  Martin Jambor  <mjambor@suse.cz>

        * c-gimplify.c (c_genericize): Call cgraph_get_create_node instead
        of cgraph_node.

2011-04-11  Richard Guenther  <rguenther@suse.de>

        * c-common.c (complete_array_type): Build a range type of
        proper type.

2011-04-08  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.c (handle_sentinel_attribute): Don't use TYPE_ARG_TYPES.
        (handle_type_generic_attribute): Likewise.

2011-04-07  Jason Merrill  <jason@redhat.com>

        PR c++/48450
        * c-common.c (c_common_truthvalue_conversion): Don't ignore
        conversion from C++0x scoped enum.

2011-04-06  Joseph Myers  <joseph@codesourcery.com>

        * c-target-def.h: New file.
        * c-target.def: New file.
        * c-target.h: New file.
        * c-common.c (targetcm): Don't define here.
        * c-common.h (default_handle_c_option): Declare.
        * c-format.c: Include c-target.h instead of target.h.
        * c-opts.c: Include c-target.h instead of target.h.  Explicitly
        include tm.h.
        (default_handle_c_option): Move from targhooks.c.

2011-03-29  Jakub Jelinek  <jakub@redhat.com>

        PR preprocessor/48248
        * c-ppoutput.c (print): Add src_file field.
        (init_pp_output): Initialize it.
        (maybe_print_line): Don't optimize by adding up to 8 newlines
        if map->to_file and print.src_file are different file.
        (print_line): Update print.src_file.

2011-03-25  Kai Tietz  <ktietz@redhat.com>

        * c-ada-spec.c (compare_comment): Use filename_cmp
        instead of strcmp for filename.

2011-03-25  Jeff Law  <law@redhat.com>

        * c-family/c-common.c (def_fn_type): Add missing va_end.

2011-03-25  Jason Merrill  <jason@redhat.com>

        * c.opt: Add -std=c++03.

2011-03-22  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (dump_ada_template): Skip non-class instances.

2011-03-17  Kai Tietz

        PR target/12171
        * c-pretty-print.c (pp_c_specifier_qualifier_list):
        Display allowed attributes for function pointer types.
        (pp_c_attributes_display): New function to display
        attributes having affects_type_identity flag set to true.
        * c-pretty-print.h (pp_c_attributes_display): New prototype.

        * c-common.c (c_common_attribute_table):
        Add new element.
        (c_common_format_attribute_table): Likewise.

2011-03-18  Jason Merrill  <jason@redhat.com>

        * c.opt (fconstexpr-depth): Add Var(max_constexpr_depth).
        * c-common.h: Don't declare it here.
        * c-common.c: Or define it here.
        * c-opts.c (c_common_handle_option): Or set it here.

        PR c++/35315
        * c-common.c (handle_transparent_union_attribute): Don't
        make a duplicate type in C++.

2011-03-15  Jason Merrill  <jason@redhat.com>

        * c-common.c (max_constexpr_depth): New.
        * c-common.h: Declare it.
        * c-opts.c (c_common_handle_option): Set it.
        * c.opt (fconstexpr-depth): New option.

2011-03-11  Jason Merrill  <jason@redhat.com>

        * c-common.c (attribute_takes_identifier_p): Add missing const.

        PR c++/46803
        * c-common.c (attribute_takes_identifier_p): Assume that an
        unknown attribute takes an identifier.

2011-03-07  Nathan Froyd  <froydnj@codesourcery.com>

        PR c/47786
        * c-common.c (c_type_hash): Call list_length instead of iterating
        through DECL_CHAIN.  Rename 'i' to 'n_elements'.

2011-02-19  Jakub Jelinek  <jakub@redhat.com>

        PR c/47809
        * c-common.c (c_fully_fold_internal): Handle VIEW_CONVERT_EXPR.

2011-02-17  Iain Sandoe  <iains@gcc.gnu.org>

        * c.opt (fobjc-abi-version=) New.
        (fobjc-nilcheck): New.

2011-02-03  Nathan Froyd  <froydnj@codesourcery.com>

        PR c++/46890
        * c-common.h (keyword_is_decl_specifier): Declare.
        * c-common.c (keyword_is_decl_specifier): Define.
        (keyword_is_function_specifier): New function.

2011-01-26  Jakub Jelinek  <jakub@redhat.com>

        PR c/47473
        * c-lex.c (interpret_float): If CPP_N_IMAGINARY, ensure
        EXCESS_PRECISION_EXPR is created with COMPLEX_TYPE instead of
        REAL_TYPE.

2011-01-26  Arnaud Charlet  <charlet@adacore.com>

        * c-ada-spec.c (dump_generic_ada_node): Avoid dereferencing null type.

2011-01-26  Jakub Jelinek  <jakub@redhat.com>

        PR pch/47430
        * c-opts.c (c_common_post_options): Call c_common_no_more_pch
        after init_c_lex if pch_file is set.

2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR c++/43601
        * c.opt (-fkeep-inline-dllexport): New switch.

2011-01-12  Richard Guenther  <rguenther@suse.de>

        PR middle-end/32511
        * c-common.c (handle_weak_attribute): Warn instead of error
        on declaring an inline function weak.

2011-01-05  Tom Tromey  <tromey@redhat.com>

        * c-common.h (lvalue_error): Update.
        * c-common.c (lvalue_error): Add 'loc' argument.  Call error_at,
        not error.

2010-12-29  Nicola Pero  <nicola.pero@meta-innovation.com>

        PR objc/47075
        * c-objc.h (objc_finish_message_expr): Added argument to
        prototype.

2010-12-22  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.c (handle_nonnull_attribute, handle_sentinel_attribute):
        Use prototype_p.

2010-12-18  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-objc.h (objc_maybe_warn_exceptions): New.
        * stub-objc.c (objc_maybe_warn_exceptions): New.

2010-12-10  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.h (readonly_error): Declare.
        * c-common.c (readonly_error): Define.

2010-12-09  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.h (invalid_indirection_error): Declare.
        * c-common.c (invalid_indirection_error): Define.

2010-12-03  Richard Guenther  <rguenther@suse.de>

        PR c/46745
        * c-pretty-print.c (pp_c_postfix_expression): Handle MEM_REF.
        (pp_c_unary_expression): Likewise.
        (pp_c_expression): Likewise.

2010-11-30  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-common.h (objc_finish_function): New.
        (objc_non_volatilized_type): Removed.
        (objc_type_quals_match): Removed.
        * stub-objc.c (objc_finish_function): New.
        (objc_non_volatilized_type): Removed.
        (objc_type_quals_match): Removed.

2010-11-30  Joseph Myers  <joseph@codesourcery.com>

        * c-common.h (parse_optimize_options): Declare.
        * c-cppbuiltin.c, c-format.c, c-gimplify.c, c-lex.c, c-omp.c,
        c-pch.c, c-pragma.c, c-semantics.c: Don't include toplev.h.

2010-11-29  Joseph Myers  <joseph@codesourcery.com>

        * c-opts.c (check_deps_environment_vars): Use getenv instead of
        GET_ENVIRONMENT.
        * c-pch.c (O_BINARY): Don't define here.
        * c-pragma.h: Include "cpplib.h" instead of <cpplib.h>.

2010-11-25  Joseph Myers  <joseph@codesourcery.com>

        * c-cppbuiltin.c (c_cpp_builtins): Pass &global_options to
        targetm.except_unwind_info.

2010-11-23  Joseph Myers  <joseph@codesourcery.com>

        * c-opts.c (c_common_handle_option): Pass location to
        set_struct_debug_option.

2010-11-23  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (visibility_options): Move from ../opts.c.
        * c-common.h (struct visibility_flags, visibility_options):
        Declare here.
        * c-opts.c (finish_options): Rename to c_finish_options.
        (c_common_init): Update call to finish_options.

2010-11-22  Nicola Pero  <nicola.pero@meta-innovation.com>

        PR objc/34033
        * c-lex.c (lex_string): Check that each string in an Objective-C
        string concat sequence starts with either one or zero '@', and
        that there are no spurious '@' signs at the end.

2010-11-20  Joseph Myers  <joseph@codesourcery.com>

        * c-pragma.c: Remove conditionals on HANDLE_PRAGMA_PACK,
        HANDLE_PRAGMA_PACK_PUSH_POP, HANDLE_PRAGMA_WEAK and
        HANDLE_PRAGMA_VISIBILITY.
        * c-pragma.h (HANDLE_PRAGMA_WEAK, HANDLE_PRAGMA_PACK,
        HANDLE_PRAGMA_VISIBILITY): Don't define.
        (HANDLE_SYSV_PRAGMA, HANDLE_PRAGMA_PACK_PUSH_POP): Don't test.

2010-11-20  Nathan Froyd  <froydnj@codesourcery.com>

        PR c++/16189
        PR c++/36888
        PR c++/45331
        * c-common.h (keyword_begins_type_specifier): Declare.
        (keyword_is_storage_class_specifier): Declare.
        (keyword_is_type_qualifier): Declare.
        * c-common.c (keyword_begins_type_specifier): New function.
        (keyword_is_storage_class_specifier): New function.
        (keyword_is_type_qualifier): Declare.

2010-11-19  Joseph Myers  <joseph@codesourcery.com>

        PR c/46547
        * c-common.c (in_late_binary_op): Define.
        (c_common_truthvalue_conversion): Check in_late_binary_op before
        calling c_save_expr.
        * c-common.h (in_late_binary_op): Declare.

2010-11-19  Joseph Myers  <joseph@codesourcery.com>

        * c-opts.c (c_common_handle_option): Update calls to
        set_struct_debug_option.

2010-11-19  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-common.h (objc_declare_protocols): Added additional argument.
        * stub-objc.c (objc_declare_protocol): Same change.

2010-11-18  Nathan Froyd  <froydnj@codesourcery.com>

        PR c/33193
        * c-common.h (build_real_imag_expr): Declare.
        * c-semantics.c (build_real_imag_expr): Define.

2010-11-17  Joseph Myers  <joseph@codesourcery.com>

        * c-opts.c (c_common_parse_file): Take no arguments.
        * c-common.h (c_common_parse_file): Update prototype.

2010-11-16  Jakub Jelinek  <jakub@redhat.com>

        PR c++/46401
        * c-common.c (warning_candidate_p): Don't track non-const calls
        or STRING_CSTs.

2010-11-15  Ian Lance Taylor  <iant@google.com>

        * c-lex.c (init_c_lex): Set macro debug callbacks if
        flag_dump_go_spec is set.

2010-11-15  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-common.h (objc_build_incr_expr_for_property_ref): New.
        * stub-objc.c (objc_build_incr_expr_for_property_ref): New.

2010-11-15  Nathan Froyd  <froydnj@codesourcery.com>

        PR preprocessor/45038
        * c-cppbuiltin.c (c_cpp_builtins): Use different format for C++
        dialects.

2010-11-12  Joseph Myers  <joseph@codesourcery.com>

        * c-common.h (c_family_lang_mask): Declare.
        * c-opts.c (c_family_lang_mask): Make extern.
        * c-pragma.c (handle_pragma_diagnostic): Use
        control_warning_option.

2010-11-12  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (parse_optimize_options): Update call to
        decode_options.
        * c-common.h (c_common_handle_option): Update prototype.
        * c-opts.c (c_common_handle_option): Take location_t parameter and
        pass it to other functions.

2010-11-11  Joseph Myers  <joseph@codesourcery.com>

        * c-opts.c (warning_as_error_callback): Remove.
        (c_common_initialize_diagnostics): Don't call
        register_warning_as_error_callback.
        (c_common_handle_option): Handle -Werror=normalized= here.

2010-11-10  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (handle_mode_attribute): Use %' and word "signedness"
        in diagnostic.
        * c-opts.c (c_common_parse_file): Start diagnostics with lowercase
        letter.
        * c-pragma.c (handle_pragma_target, handle_pragma_optimize):
        Remove trailing '.' from diagnostics.
        * c.opt (Wwrite-strings_: Avoid '`' in help text.

2010-11-10  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (parse_optimize_options): Pass global_dc to
        decode_options.
        * c-opts.c (c_common_handle_option): Pass &global_options to
        set_Wstrict_aliasing.
        * c.opt (v): Don't mark Common or document here.

2010-11-06  Iain Sandoe  <iains@gcc.gnu.org>

        PR target/44981
        * c-format.c (format_type): New type gcc_objc_string_format_type.
        (valid_stringptr_type_p): New.
        (handle_format_arg_attribute): Use valid_stringptr_type_p ().
        (check_format_string): Pass expected type, use
        valid_stringptr_type_p (), check that the format string types are
        consistent with the format specification.
        (decode_format_attr): Warn if NSString is used outside objective-c.
        (format_types_orig): Add NSString.
        (format_name): New.
        (format_flags): New.
        (check_format_arg): Handle format strings requiring an external parser.
        first_target_format_type: New variable.
        (handle_format_attribute): Set up first_target_format_type, pass the
        expected format arg string type to check_format_string().
        * c-common.h (FMT_FLAG_PARSE_ARG_CONVERT_EXTERNAL):  New flag.
        * stub-objc.c (objc_string_ref_type_p): New.
        (objc_check_format_arg): New.

2010-11-04  Nicola Pero  <nicola.pero@meta-innovation.com>

        Fixed using the Objective-C 2.0 dot-syntax with class names.
        * c-common.h (objc_build_class_component_ref): New.
        * stub-objc.c (objc_build_class_component_ref): New.

2010-11-03  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c.opt (Wproperty-assign-default): New option.

2010-11-03  Nicola Pero  <nicola.pero@meta-innovation.com>

        Implemented -fobjc-std=objc1 flag.
        * c.opt (fobjc-std=objc1): New option.

2010-11-01  Nicola Pero  <nicola.pero@meta-innovation.com>

        Implemented format and noreturn attributes for Objective-C methods.
        * c-common.c (handle_noreturn_attribute): Recognize 'noreturn'
        attribute for Objective-C methods.

2010-10-31  Jason Merrill  <jason@redhat.com>

        * c-common.c (conversion_warning, warn_for_collisions_1): Use
        EXPR_LOC_OR_HERE.

2010-10-30  Nicola Pero  <nicola.pero@meta-innovation.com>

        Implemented Objective-C 2.0 @property, @synthesize and @dynamic.
        * c-common.h (enum rid): Removed RID_COPIES and RID_IVAR.
        (objc_add_property_declaration): Removed arguments for copies and
        ivar.
        (objc_build_getter_call): Renamed to
        objc_maybe_build_component_ref.
        (objc_build_setter_call): Renamed to objc_maybe_build_modify_expr.
        (objc_is_property_ref): New.
        * c-common.c (c_common_reswords): Removed copies and ivar.
        * stub-objc.c (objc_add_property_declaration): Removed arguments
        for copies and ivar.
        (objc_build_getter_call): Renamed to
        objc_maybe_build_component_ref.
        (objc_build_setter_call): Renamed to objc_maybe_build_modify_expr.
        (objc_is_property_ref): New.

2010-10-29  Arnaud Charlet  <charlet@adacore.com>
            Matthew Gingell  <gingell@adacore.com>

        * c-ada-spec.c (separate_class_package): New function.
        (pp_ada_tree_identifier): Prefix references to C++ classes with the
        name of their enclosing package.
        (print_ada_declaration): Use separate_class_package.

2010-10-27  Jason Merrill  <jason@redhat.com>

        * c-common.c (c_common_reswords): Add __is_literal_type.
        * c-common.h (enum rid): Add RID_IS_LITERAL_TYPE.

        * c-common.c (check_case_value): Remove special C++ code.

2010-10-27  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-common.h (enum rid): Added RID_READWRITE, RID_ASSIGN,
        RID_RETAIN, RID_COPY and RID_NONATOMIC.  Updated RID_FIRST_PATTR
        and RID_LAST_PATTR.
        (objc_add_property_declaration): Added additional arguments.
        (objc_property_attribute_kind): Removed.
        (objc_set_property_attr): Removed.
        * c-common.c (c_common_reswords): Added readwrite, assign, retain,
        copy and nonatomic.
        * stub-objc.c (objc_add_property_declaration): Added additional
        arguments.
        (objc_set_property_attr): Removed.

2010-10-27  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-common.h (objc_add_property_variable): Renamed to
        objc_add_property_declaration.  Added location argument.
        * stub-objc.c (objc_add_property_variable): Same change.
        
2010-10-23  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-common.h (objc_maybe_printable_name): New.
        * stub-objc.c (objc_maybe_printable_name): New.

2010-10-22  Artjoms Sinkarovs <artyom.shinakroff@gmail.com>
        Andrew Pinski <pinskia@gmail.com>

        * c-common.h (c_common_mark_addressable_vec): Declare.
        * c-common.c (c_common_mark_addressable_vec): New function.

2010-10-20  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-common.h (objc_set_method_type): Removed.
        (objc_add_method_declaration): Added boolean argument.
        (objc_start_method_definition): Same change.
        (objc_build_method_signature): Same change.
        * stub-objc.c (objc_set_method_type): Removed.
        (objc_add_method_declaration): Added boolean argument.
        (objc_start_method_definition): Same change.
        (objc_build_method_signature): Same change.

2010-10-20  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-common.h (finish_file): Removed.
        (objc_write_global_declarations): New.
        * c-opts.c (c_common_parse_file): Do not call finish_file.
        * stub-objc.c (objc_write_global_declarations): New.

2010-10-18  Nicola Pero  <nicola.pero@meta-innovation.com>

        Implemented parsing @synthesize and @dynamic for
        Objective-C/Objective-C++.
        * c-common.h (enum rid): Add RID_AT_SYNTHESIZE and RID_AT_DYNAMIC.
        (objc_add_synthesize_declaration): New.
        (objc_add_dynamic_declaration): New.
        * c-common.c (c_common_reswords): Add synthesize and dynamic.
        * stub-objc.c (objc_add_synthesize_declaration): New.
        (objc_add_dynamic_declaration): New.

2010-10-18  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/46041
        * c-cppbuiltin.c (mode_has_fma): Move function here from
        builtins.c.  Don't use the fma optab, instead just use the
        HAVE_fma* macros, so that __FP_FAST_FMA* will be defined when
        using -save-temps.

2010-10-18  Nicola Pero  <nicola.pero@meta-innovation.com>

        Merge from 'apple/trunk' branch on FSF servers.

        2005-11-08  Fariborz Jahanian <fjahanian@apple.com>

        Radar 4330422
        * c-common.h (objc_non_volatilized_type): New declaration
        * stub-objc.c (objc_non_volatilized_type): New stub.

2010-10-17  Nicola Pero  <nicola.pero@meta-innovation.com>

        Merge from 'apple/trunk' branch on FSF servers.

        2006-03-27 Fariborz Jahanian <fjahanian@apple.com>

        Radar 4133425
        * c-common.h (objc_diagnose_private_ivar): New decl.
        * stub-objc.c (objc_diagnose_private_ivar): New stub.

2010-10-17  Iain Sandoe  <iains@gcc.gnu.org>

        * c-common.c (c_common_reswords): Add package, RID_AT_PACKAGE.
        * c-common.h (enum rid): Add RID_AT_PACKAGE.
        (objc_ivar_visibility_kind): New enum.
        (objc_set_visibility): Adjust prototype to use visibility enum.
        * stub-objc.c (objc_set_visibility): Adjust stub to use
        visibility enum.

2010-10-14  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * c-cppbuiltin.c (builtin_define_float_constants): Emit
        __FP_FAST_FMA, __FP_FAST_FMAF, and __FP_FAST_FMAL if the machine
        has the appropriate fma builtins.
        (c_cpp_builtins): Adjust call to builtin_define_float_constants.

2010-10-14  Iain Sandoe  <iains@gcc.gnu.org>

        merge from FSF apple 'trunk' branch.
        2006 Fariborz Jahanian <fjahanian@apple.com>

        Radars 4436866, 4505126, 4506903, 4517826
        * c-common.c (c_common_resword): Define @property and its attributes.
        * c-common.h: Define property attribute enum entries.
        (OBJC_IS_PATTR_KEYWORD): New.
        (objc_property_attribute_kind): New enum.
        Declare objc_set_property_attr (), objc_add_property_variable (),
        objc_build_getter_call () and objc_build_setter_call ().
        * stub-objc.c (objc_set_property_attr): New stub.
        (objc_add_property_variable): Likewise.
        (objc_build_getter_call): Likewise.
        (objc_build_setter_call) Likewise.

2010-10-13  Iain Sandoe  <iains@gcc.gnu.org>

        merge from FSF apple 'trunk' branch.
        2006-04-26 Fariborz Jahanian <fjahanian@apple.com>

        Radar 3803157 (method attributes)
        * c-common.c (handle_deprecated_attribute): Recognize
        objc methods as valid declarations.
        * c-common.h: Declare objc_method_decl ().
        * stub-objc.c (objc_method_decl): New stub.

2010-10-08  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (parse_optimize_options): Call
        decode_cmdline_options_to_array_default_mask before
        decode_options.  Update arguments to decode_options.
        * c-common.h (c_common_init_options_struct): Declare.
        * c-opts.c (c_common_init_options_struct): New.  Split out from
        c_common_init_options.

2010-10-06  Nicola Pero  <nicola.pero@meta-innovation.com>

        Implemented fast enumeration for Objective-C.
        * c-common.h (objc_finish_foreach_loop): New.
        * stub-objc.c (objc_finish_foreach_loop): New.

2010-10-05  Joseph Myers  <joseph@codesourcery.com>

        * c-common.h (struct diagnostic_context): Don't declare here.
        (c_common_initialize_diagnostics): Declare using
        diagnostic_context typedef.
        * c-opts.c (c_common_handle_option): Pass global_dc to
        handle_generated_option.

2010-10-04  Joseph Myers  <joseph@codesourcery.com>

        * c-opts.c (c_common_handle_option): Pass &global_options_set to
        handle_generated_option.

2010-10-03  Ian Lance Taylor  <iant@google.com>

        * c.opt (-fplan9-extensions): New option.

2010-10-03  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * c-cppbuiltin.c (define__GNUC__, builtin_define_type_precision):
        Remove.
        (c_cpp_builtins): Call functions from cppbuiltin.c instead
        of duplicating code.

2010-09-30  Iain Sandoe  <iains@gcc.gnu.org>

        * c-common.c: Add two new entries for @optional
        and @required keywords.

        merge from FSF 'apple/trunk' branch.
        2006-01-30  Fariborz Jahanian <fjahanian@apple.com>

        Radar 4386773
        * c-common.h (RID_AT_OPTIONAL, RID_AT_REQUIRED): Two new
        objective-c keywords.
        (objc_set_method_opt): New declaration.
        * stub-objc.c (objc_set_method_opt): New stub.

2010-09-30  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (handle_optimize_attribute): Pass &global_options to
        cl_optimization_save and cl_optimization_restore.
        * c-opts.c (c_common_handle_option): Pass &global_options to
        handle_generated_option.
        * c-pragma.c (handle_pragma_diagnostic): Use option_flag_var.
        (handle_pragma_pop_options, handle_pragma_reset_options): Pass
        &global_options to cl_optimization_restore.

2010-09-30  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-lex.c (c_lex_with_flags): Updated comments for CPP_AT_NAME
        Objective-C/Objective-C++ keywords.

2010-09-29  Nicola Pero  <nicola.pero@meta-innovation.com>

        Merge from 'apple/trunk' branch on FSF servers.

        2005-10-04  Fariborz Jahanian <fjahanian@apple.com>

        Radar 4281748
        * c-common.h (objc_check_global_decl): New declaration.
        * stub-objc.c (objc_check_global_decl): New stub.

2010-09-29  Joseph Myers  <joseph@codesourcery.com>

        * c.opt: Don't use VarExists.

2010-09-29  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (c_cpp_error): Update names of diagnostic_context
        members.
        * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): Update names of
        cl_optimization members.
        * c-opts.c (warning_as_error_callback, c_common_handle_option,
        sanitize_cpp_opts, finish_options): Update names of cpp_options
        members.

2010-09-29  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-common.h (OBJC_IS_CXX_KEYWORD): New macro.  Updated comments.
        (objc_is_reserved_word): Removed.
        * c-common.c: Updated comments.
        * c-lex.c (c_lex_with_flags): Use OBJC_IS_CXX_KEYWORD instead of
        objc_is_reserved_word.
        * stub-objc.c (objc_is_reserved_word): Removed.

2010-09-28  Iain Sandoe  <iains@gcc.gnu.org>

        * c-common.h (objc_add_method_declaration): Adjust prototype to
        include attributes.
        (objc_start_method_definition): Likewise.
        (objc_build_keyword_decl): Likewise.
        * stub-objc.c:(objc_add_method_declaration): Handle attributes.
        (objc_start_method_definition): Likewise.
        (objc_build_keyword_decl): Likewise.

2010-09-28  Iain Sandoe  <iains@gcc.gnu.org>

        * c-common.h (objc_start_class_interface): Adjust prototype.
        (objc_start_category_interface): Likewise.
        (objc_start_protocol): Likewise.
        * stub-objc.c (objc_start_protocol): Adjust for extra argument.
        (objc_start_class_interface): Likewise.
        (objc_start_category_interface): Likewise.

2010-09-27  Ian Lance Taylor  <iant@google.com>

        * c-common.c (c_common_attribute_table): Add no_split_stack.
        (handle_no_split_stack_attribute): New static function.

2010-09-27  Nicola Pero  <nicola.pero@meta-innovation.com>

        Merge from 'apple/trunk' branch on FSF servers.

        2005-12-15  Fariborz Jahanian <fjahanian@apple.com>

        Radar 4229905
        * c-common.h (objc_have_common_type): New declaration.
        * stub-objc.c (objc_have_common_type): New stub.

        2005-06-22  Ziemowit Laski  <zlaski@apple.com>

        Radar 4154928
        * c-common.h (objc_common_type): New prototype.
        * stub-objc.c (objc_common_type): New stub.

2010-09-24  Jan Hubicka  <jh@suse.cz>

        * c-common.c (handle_leaf_attribute): New function.
        (struct attribute_spec c_common_att): Add leaf.

2010-09-22  Joseph Myers  <joseph@codesourcery.com>

        * c.opt (-all-warnings, -ansi, -assert, -assert=, -comments,
        -comments-in-macros, -define-macro, -define-macro=, -dependencies,
        -dump, -dump=, -imacros, -imacros=, -include, -include=,
        -include-barrier, -include-directory, -include-directory=,
        -include-directory-after, -include-directory-after=,
        -include-prefix, -include-prefix=, -include-with-prefix,
        -include-with-prefix=, -include-with-prefix-after,
        -include-with-prefix-after=, -include-with-prefix-before,
        -include-with-prefix-before=, -no-integrated-cpp,
        -no-line-commands, -no-standard-includes, -no-warnings, -output,
        -output=, -pedantic, -pedantic-errors, -preprocess,
        -print-missing-file-dependencies, -trace-includes, -traditional,
        -traditional-cpp, -trigraphs, -undefine-macro, -undefine-macro=,
        -user-dependencies, -verbose, -write-dependencies,
        -write-user-dependencies, no-integrated-cpp, traditional): New.

2010-09-21  Nicola Pero  <nicola.pero@meta-innovation.com>

        PR objc/23710
        * c-common.h (objc_start_method_definition): Return bool instead
        of void.
        * stub-objc.c (objc_start_method_definition): Return bool instead
        of void.

2010-09-21  Nicola Pero  <nicola.pero@meta-innovation.com>

        PR objc/25965
        * c-common.h (objc_get_interface_ivars): New declaration.
        * stub-objc.c (objc_get_interface_ivars): New stub.

2010-09-15  Ian Lance Taylor  <iant@google.com>

        * c-common.c (parse_optimize_options): Do not capitalize warning
        messages.  Remove period at end of warning message.

2010-09-09  Nathan Sidwell  <nathan@codesourcery.com>

        * c-common.c (handle_alias_ifunc_attribute): New, broken out of ...
        (handle_alias_attribute): ... here.
        (handle_ifunc_attribute): New.

2010-09-06  Mark Mitchell  <mark@codesourcery.com>

        * c-common.h (do_warn_double_promotion): Declare.
        * c-common.c (do_warn_double_promotion): Define.

2010-09-05  Mark Mitchell  <mark@codesourcery.com>

        * c.opt (Wdouble-promotion): New.

2010-09-02  Joseph Myers  <joseph@codesourcery.com>

        * c.opt (falt-external-templates, fhuge-objects, fvtable-gc,
        fvtable-thunks, fxref): Mark no longer supported in help text.

2010-09-02  Joseph Myers  <joseph@codesourcery.com>

        * c.opt (Wimport, fall-virtual, falt-external-templates,
        fdefault-inline, fenum-int-equiv, fexternal-templates,
        fguiding-decls, fhonor-std, fhuge-objects, flabels-ok,
        fname-mangling-version-, fnew-abi, fnonnull-objects,
        foptional-diags, fsquangle, fstrict-prototype, fthis-is-variable,
        fvtable-gc, fvtable-thunks, fxref): Mark with Ignore and Warn as
        applicable.
        (fhandle-exceptions): Mark with Alias and Warn.
        * c-opts.c (c_common_handle_option): Don't handle options marked
        as ignored.

2010-09-02  Joseph Myers  <joseph@codesourcery.com>

        * c.opt (Wcomments, Werror-implicit-function-declaration,
        ftemplate-depth-, std=c89, std=c9x, std=gnu89, std=gnu9x,
        std=iso9899:1990, std=iso9899:1999, std=iso9899:199x): Mark as
        aliases.
        * c-common.c (option_codes): Use OPT_Wcomment instead of
        OPT_Wcomments.
        * c-opts.c (warning_as_error_callback, c_common_handle_option):
        Don't handle options marked as aliases.

2010-08-25  Richard Guenther  <rguenther@suse.de>

        * c-common.c (c_common_get_alias_set): Remove special
        handling for pointers.

2010-08-20  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.c: Use FOR_EACH_VEC_ELT.
        * c-gimplify.c: Likewise.
        * c-pragma.c: Likewise.

2010-08-16  Joseph Myers  <joseph@codesourcery.com>

        * c.opt (MDX): Change back to MD.  Mark NoDriverArg instead of
        RejectDriver.
        (MMDX): Change back to MMD.  Mark NoDriverArg instead of
        RejectDriver.
        * c-opts.c (c_common_handle_option): Use OPT_MD and OPT_MMD
        instead of OPT_MDX and OPT_MMDX.

2010-08-16  Joseph Myers  <joseph@codesourcery.com>

        * c.opt (MDX, MMDX, lang-asm): Mark RejectDriver.

2010-08-12  Joseph Myers  <joseph@codesourcery.com>

        * c.opt (MD, MMD): Change to MDX and MMDX.
        * c-opts.c (c_common_handle_option): Use OPT_MMD and OPT_MMDX.

2010-08-11  Joseph Myers  <joseph@codesourcery.com>

        * c-opts.c (c_common_handle_option): Call handle_generated_option
        instead of handle_option.

2010-08-08  Nathan Froyd  <froydnj@codesourcery.com>

        * c-pragma.c (add_to_renaming_pragma_list): Fix call to VEC_safe_push.
        (maybe_apply_renaming_pragma): Delete unneeded declarations.

2010-08-08  Nathan Froyd  <froydnj@codesourcery.com>

        * c-pragma.c (pending_redefinition): Declare.  Declare a VEC of it.
        (pending_redefine_extname): Change type to a VEC.
        (add_to_renaming_pragma_list): Update for new type of
        pending_redefine_extname.
        (maybe_apply_renaming_pragma): Likewise.

2010-08-04  Arnaud Charlet  <charlet@adacore.com>

        * c-ada-spec.c (dump_ada_template): Mark underlying instance type as
        visited.
        (dump_generic_ada_node): Code clean up. Use TREE_VISITED flag to
        decide whether a type has already been declared/seen.
        Do not go to the original type.
        (dump_nested_types): New parameter forward.
        Generate forward declaration if needed and mark type as visited.
        (print_ada_declaration): Call dump_nested_types if not already done.
        Mark types as visited.

2010-08-03  Joseph Myers  <joseph@codesourcery.com>

        * c.opt (-print-pch-checksum): Remove option.
        * c-opts.c (c_common_handle_option): Don't handle
        OPT_print_pch_checksum.

2010-07-27  Joseph Myers  <joseph@codesourcery.com>

        * c-common.h (c_common_handle_option): Update prototype and return
        value type.
        * c-opts.c (c_common_handle_option): Update prototype and return
        value type.  Update calls to handle_option and
        enable_warning_as_error.

2010-07-27  Jakub Jelinek  <jakub@redhat.com>

        PR c/45079
        * c-pretty-print.c (pp_c_expression): Handle C_MAYBE_CONST_EXPR.

2010-07-27  Joseph Myers  <joseph@codesourcery.com>

        * c-common.h (c_common_missing_argument): Remove.
        * c-opts.c (c_common_missing_argument): Remove.
        * c.opt (A, D, F, I, MD, MMD, MQ, MT, U, fconstant-string-class=,
        idirafter, imacros, include, isysroot, isystem, iquote): Add
        MissingArgError.
        * c-objc-common.h (LANG_HOOKS_MISSING_ARGUMENT): Remove.

2010-07-27  Joseph Myers  <joseph@codesourcery.com>

        * c-common.h (c_common_option_lang_mask,
        c_common_initialize_diagnostics, c_common_complain_wrong_lang_p):
        New.
        (c_common_init_options): Update prototype.
        * c-opts.c (c_common_option_lang_mask): New.
        (c_common_initialize_diagnostics): Split out of
        c_common_init_options.
        (accept_all_c_family_options, c_common_complain_wrong_lang_p):
        New.
        (c_common_init_options): Update prototype.  Use decoded options in
        search for -lang-asm.

2010-07-15  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.c: Carefully replace TREE_CHAIN with DECL_CHAIN.
        * c-format.c: Likewise.

2010-07-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c-common.h: Include diagnostic-core.h. Error if already
        included.
        * c-semantics.c: Do not define GCC_DIAG_STYLE here.

2010-07-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c-family/c-common.c (IN_GCC_FRONTEND): Do not undef.
        Do not include expr.h
        (vector_mode_valid_p): Move here.

2010-06-21  DJ Delorie  <dj@redhat.com>

        * c-pragma.c (handle_pragma_diagnostic): Add push/pop,
        allow these pragmas anywhere.

2010-06-14  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/44509
        * c-cppbuiltin.c: Include gt-c-family-c-cppbuiltin.h.
        (lazy_hex_fp_values, lazy_hex_fp_value_count): Add GTY(()) markers.
        (lazy_hex_fp_value, builtin_define_with_hex_fp_value): Use
        ggc_strdup instead of xstrdup.

2010-06-10  Jakub Jelinek  <jakub@redhat.com>

        * c-cppbuiltin.c: Include cpp-id-data.h.
        (lazy_hex_fp_values, lazy_hex_fp_value_count): New variables.
        (lazy_hex_fp_value): New function.
        (builtin_define_with_hex_fp_value): Provide definitions lazily.

2010-06-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c-gimplify.c: Do not include tree-flow.h

2010-06-29  Joern Rennecke  <joern.rennecke@embecosm.com>

        PR other/44034
        * c-common.c: Rename targetm member:
        targetm.enum_va_list -> targetm.enum_va_list_p

2010-06-28  Anatoly Sokolov  <aesok@post.ru>

        * c-common.c (shorten_compare): Adjust call to force_fit_type_double.

2010-06-28  Steven Bosscher  <steven@gcc.gnu.org>

        * c-cppbuiltin.c: Do not include except.h.

2010-06-24  Andi Kleen  <ak@linux.intel.com>

        * c-common.c (warn_for_omitted_condop): New.
        * c-common.h (warn_for_omitted_condop): Add prototype.

2010-06-21  Joseph Myers  <joseph@codesourcery.com>

        * c.opt (lang-objc): Remove.
        * c-opts.c (c_common_handle_option): Don't handle OPT_lang_objc.

2010-06-21  Joern Rennecke  <joern.rennecke@embecosm.com>

        * c-opts.c: Include "tm_p.h".

2010-06-20  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (parse_optimize_options): Update call to
        decode_options.

2010-06-18  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.c (record_types_used_by_current_var_decl): Adjust for
        new type of types_used_by_cur_var_decl.

2010-06-17  Joern Rennecke  <joern.rennecke@embecosm.com>

        PR bootstrap/44512
        * c-cppbuiltin.c (builtin_define_with_hex_fp_value): Add cast
        for C++ standard compliance.

2010-06-16  Jason Merrill  <jason@redhat.com>

        * c.opt: Add -Wnoexcept.

2010-06-16  Richard Guenther  <rguenther@suse.de>

        PR c/44555
        * c-common.c (c_common_truthvalue_conversion): Remove
        premature and wrong optimization concering ADDR_EXPRs.

2010-06-15  Arnaud Charlet  <charlet@adacore.com>

        * c-ada-spec.c (dump_sloc): Remove column info.
        (is_simple_enum): New function.
        (dump_generic_ada_node, print_ada_declaration): Map C enum types to Ada
        enum types when relevant.

2010-06-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c-common.c (conversion_warning): Warn at expression
        location.

2010-06-10  Joseph Myers  <joseph@codesourcery.com>

        * c-opts.c (c_common_handle_option): Don't handle
        OPT_fshow_column.

2010-06-08  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

        * c-pragma.c (push_alignment): Use typed GC allocation.
        (handle_pragma_push_options): Likewise.

        * c-common.c (parse_optimize_options): Likewise.

        * c-common.h (struct sorted_fields_type): Add variable_size GTY
        option.

2010-06-07  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (flag_preprocess_only, flag_undef, flag_no_builtin,
        flag_no_nonansi_builtin, flag_short_double, flag_short_wchar,
        flag_lax_vector_conversions, flag_ms_extensions, flag_no_asm,
        flag_signed_bitfields, warn_strict_null_sentinel,
        flag_nil_receivers, flag_zero_link, flag_replace_objc_classes,
        flag_gen_declaration, flag_no_gnu_keywords,
        flag_implement_inlines, flag_implicit_templates,
        flag_implicit_inline_templates, flag_optional_diags,
        flag_elide_constructors, flag_default_inline, flag_rtti,
        flag_conserve_space, flag_access_control, flag_check_new,
        flag_new_for_scope, flag_weak, flag_working_directory,
        flag_use_cxa_atexit, flag_use_cxa_get_exception_ptr,
        flag_enforce_eh_specs, flag_threadsafe_statics,
        flag_pretty_templates): Remove.
        * c-common.h (flag_preprocess_only, flag_nil_receivers,
        flag_objc_exceptions, flag_objc_sjlj_exceptions, flag_zero_link,
        flag_replace_objc_classes, flag_undef, flag_no_builtin,
        flag_no_nonansi_builtin, flag_short_double, flag_short_wchar,
        flag_lax_vector_conversions, flag_ms_extensions, flag_no_asm,
        flag_const_strings, flag_signed_bitfields, flag_gen_declaration,
        flag_no_gnu_keywords, flag_implement_inlines,
        flag_implicit_templates, flag_implicit_inline_templates,
        flag_optional_diags, flag_elide_constructors, flag_default_inline,
        flag_rtti, flag_conserve_space, flag_access_control,
        flag_check_new, flag_new_for_scope, flag_weak,
        flag_working_directory, flag_use_cxa_atexit,
        flag_use_cxa_get_exception_ptr, flag_enforce_eh_specs,
        flag_threadsafe_statics, flag_pretty_templates,
        warn_strict_null_sentinel): Remove.
        * c.opt (E, Wstrict-null-sentinel, faccess-control, fasm,
        fbuiltin, fcheck-new, fconserve-space, felide-constructors,
        fenforce-eh-specs, ffor-scope, fgnu-keywords, fimplement-inlines,
        fimplicit-inline-templates, fimplicit-templates,
        flax-vector-conversions, fms-extensions, fnil-receivers,
        fnonansi-builtins, fpretty-templates, freplace-objc-classes,
        frtti, fshort-double, fshort-enums, fshort-wchar,
        fsigned-bitfields, fsigned-char, fstats, fthreadsafe-statics,
        funsigned-bitfields, funsigned-char, fuse-cxa-atexit,
        fuse-cxa-get-exception-ptr, fweak, fworking-directory, fzero-link,
        gen-decls, undef): Use Var.
        (fdefault-inline, foptional-diags): Document as doing nothing.
        * c-opts.c (c_common_handle_option): Remove cases for options now
        using Var.  Mark ignored options as such.

2010-06-05  Steven Bosscher  <steven@gcc.gnu.org>

        * c-common.c: Moved to here from parent directory.
        * c-common.def: Likewise.
        * c-common.h: Likewise.
        * c-cppbuiltin.c: Likewise.
        * c-dump.c: Likewise.
        * c-format.c: Likewise.
        * c-format.h : Likewise.
        * c-gimplify.c: Likewise.
        * c-lex.c: Likewise.
        * c-omp.c: Likewise.
        * c.opt: Likewise.
        * c-opts.c: Likewise.
        * c-pch.c: Likewise.
        * c-ppoutput.c: Likewise.
        * c-pragma.c: Likewise.
        * c-pragma.h: Likewise.
        * c-pretty-print.c: Likewise.
        * c-pretty-print.h: Likewise.
        * c-semantics.c: Likewise.
        * stub-objc.c: Likewise.

        * c-common.c: Include gt-c-family-c-common.h.
        * c-pragma.c: Include gt-c-family-c-pragma.h.
\f
Copyright (C) 2010-2013 Free Software Foundation, Inc.

Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
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